{"id":2260,"date":"2024-11-09T05:02:38","date_gmt":"2024-11-09T05:02:38","guid":{"rendered":"https:\/\/gbelentzas.sites.sch.gr\/?p=2260"},"modified":"2025-08-08T14:49:23","modified_gmt":"2025-08-08T14:49:23","slug":"1-3-%ce%b5%ce%bc%ce%b2%ce%b1%ce%b4%cf%8c%ce%bd-%cf%84%ce%b5%cf%84%cf%81%ce%b1%ce%b3%cf%8e%ce%bd%ce%bf%cf%85","status":"publish","type":"post","link":"https:\/\/gbelentzas.sites.sch.gr\/?p=2260","title":{"rendered":"1.3 \u0395\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03bf\u03c5"},"content":{"rendered":"\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-d3dc12ec-0155-4fba-896c-190a9ac2038a\" data-mobilecollapse=\"false\" data-desktopcollapse=\"false\" data-preventcollapse=\"false\" data-showonlyone=\"false\">\n<div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #8ed1fc; \" id=\"ub-content-toggle-panel-block-37ff4fd5-7180-48bb-bead-c3640575b29d\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #8ed1fc;\" aria-controls=\"ub-content-toggle-panel-0-d3dc12ec-0155-4fba-896c-190a9ac2038a\" tabindex=\"0\">\n\t\t\t<p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-d3dc12ec-0155-4fba-896c-190a9ac2038a\" style=\"color: #000000; \"><strong><em>\u0395\u03bd\u03cc\u03c4\u03b7\u03c4\u03b1 \u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03bf\u03cd \u03b2\u03b9\u03b2\u03bb\u03af\u03bf\u03c5<\/em><\/strong>: <a href=\"http:\/\/ebooks.edu.gr\/ebooks\/v\/html\/8547\/2196\/Mathimatika_B-Gymnasiou_html-empl\/indexB1_3.html\" target=\"_blank\" rel=\"noreferrer noopener\">1.3. \u0395\u03bc\u03b2\u03b1\u03b4\u03ac \u03b5\u03c0\u03af\u03c0\u03b5\u03b4\u03c9\u03bd \u03c3\u03c7\u03b7\u03bc\u03ac\u03c4\u03c9\u03bd<\/a><\/p>\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator none open\"><\/span><\/div>\n\t\t<\/div>\n\t\t\t<div role=\"region\" aria-expanded=\"true\" class=\"wp-block-ub-content-toggle-accordion-content-wrap\" id=\"ub-content-toggle-panel-0-d3dc12ec-0155-4fba-896c-190a9ac2038a\">\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n<\/div>\n\t\t<\/div>\n<\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u03a4\u03b5\u03c4\u03c1\u03ac\u03b3\u03c9\u03bd\u03bf<\/strong> \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf \u03c4\u03b5\u03c4\u03c1\u03ac\u03c0\u03bb\u03b5\u03c5\u03c1\u03bf \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ad\u03c2 \u03c4\u03bf\u03c5 \u03af\u03c3\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b3\u03c9\u03bd\u03af\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03bf\u03c1\u03b8\u03ad\u03c2.<\/p>\n\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-ce05b9d9-12f1-4d5e-b7fb-2009462fd218\" data-mobilecollapse=\"false\" data-desktopcollapse=\"false\" data-preventcollapse=\"false\" data-showonlyone=\"false\">\n<div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #000080; \" id=\"ub-content-toggle-panel-block-ffaf8189-b957-4963-92cf-6379d9d77b4d\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #000080;\" aria-controls=\"ub-content-toggle-panel-0-ce05b9d9-12f1-4d5e-b7fb-2009462fd218\" tabindex=\"0\">\n\t\t\t<h4 class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-ce05b9d9-12f1-4d5e-b7fb-2009462fd218\" style=\"color: #ffffff; \"><strong><em><i class=\"fas fa-download\"><\/i>\u00a0<\/em><\/strong> \u0395\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03bf\u03c5 <\/h4>\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down open\"><\/span><\/div>\n\t\t<\/div>\n\t\t\t<div role=\"region\" aria-expanded=\"true\" class=\"wp-block-ub-content-toggle-accordion-content-wrap\" id=\"ub-content-toggle-panel-0-ce05b9d9-12f1-4d5e-b7fb-2009462fd218\">\n\n<p class=\"wp-block-paragraph\">\u03a4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03b5\u03bd\u03cc\u03c2 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03bf\u03c5 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c9\u03c2 \u03c4\u03bf \u03b3\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03c4\u03bf\u03c5 \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac\u03c2 \u03c4\u03bf\u03c5 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03b5\u03b1\u03c5\u03c4\u03cc \u03c4\u03bf\u03c5. \u0394\u03b7\u03bb\u03b1\u03b4\u03ae, \u03b1\u03bd \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac\u03c2 \u03c4\u03bf\u03c5 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-dc409b18c1ed275e303aee9b0b3443f0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\alpha\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"12\" style=\"vertical-align: 0px;\">, \u03c4\u03cc\u03c4\u03b5 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd E \u03c4\u03bf\u03c5 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03bf\u03c5 \u03b4\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c4\u03cd\u03c0\u03bf: <\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 17px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-7c56d988e95bdb7d96b6c6f73426c4ea_l3.png\" height=\"17\" width=\"59\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[E=\\alpha^2\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-medium is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"295\" height=\"300\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/tetragono-295x300.png\" alt=\"\" class=\"wp-image-2274\" style=\"width:203px;height:auto\" srcset=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/tetragono-295x300.png 295w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/tetragono-1009x1024.png 1009w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/tetragono-768x780.png 768w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/tetragono-300x305.png 300w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/tetragono-850x863.png 850w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/tetragono.png 1501w\" sizes=\"auto, (max-width: 295px) 100vw, 295px\" \/><\/figure>\n<\/div>\n<\/div>\n\t\t<\/div>\n<\/div>\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-61ca3fe3-7209-4872-b725-237987a04196\" data-mobilecollapse=\"false\" data-desktopcollapse=\"false\" data-preventcollapse=\"false\" data-showonlyone=\"false\">\n<div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #0b6623; \" id=\"ub-content-toggle-panel-block-5a4e12f1-9e08-43b4-a537-c4b9221aa143\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #0b6623;\" aria-controls=\"ub-content-toggle-panel-0-61ca3fe3-7209-4872-b725-237987a04196\" tabindex=\"0\">\n\t\t\t<h4 class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-61ca3fe3-7209-4872-b725-237987a04196\" style=\"color: #ffffff; \"><strong><em><i class=\"fas fa-share\"><\/i>\u00a0 \u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 1<\/em><\/strong><\/h4>\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down open\"><\/span><\/div>\n\t\t<\/div>\n\t\t\t<div role=\"region\" aria-expanded=\"true\" class=\"wp-block-ub-content-toggle-accordion-content-wrap\" id=\"ub-content-toggle-panel-0-61ca3fe3-7209-4872-b725-237987a04196\">\n\n<p class=\"wp-block-paragraph\">\u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd  \u03b5\u03bd\u03cc\u03c2 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03bf\u03c5 \u03bc\u03b5 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac 5cm. <\/p>\n\n\n<div class=\"wp-block-ub-divider ub_divider ub-divider-orientation-horizontal\" id=\"ub_divider_92909c45-42f5-47e0-9f0d-4dd5d504cf78\"><div class=\"ub_divider_wrapper\" style=\"position: relative; margin-bottom: 2px; width: 100%; height: 2px; \" data-divider-alignment=\"center\"><div class=\"ub_divider_line\" style=\"border-top: 2px dashed #ccc; margin-top: 2px; \"><\/div><\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u03a3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03c4\u03cd\u03c0\u03bf \u03b3\u03b9\u03b1 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03bf\u03c5 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 17px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-1154d3df975da8c9145e7f317bd81de5_l3.png\" height=\"17\" width=\"201\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[E = \\alpha^2 =5 \\times 5 = 25cm^2\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0388\u03c4\u03c3\u03b9, \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03bf\u03c5 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-edf3e6ac0078b03a908d723c8a60fec6_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"25cm^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"49\" style=\"vertical-align: 0px;\">.<\/p>\n\n<\/div>\n\t\t<\/div>\n<\/div>\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-48235dd3-bbce-47ad-a99a-5cbeed382303\" data-mobilecollapse=\"false\" data-desktopcollapse=\"false\" data-preventcollapse=\"false\" data-showonlyone=\"false\">\n<div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #0b6623; \" id=\"ub-content-toggle-panel-block-\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #0b6623;\" aria-controls=\"ub-content-toggle-panel-0-48235dd3-bbce-47ad-a99a-5cbeed382303\" tabindex=\"0\">\n\t\t\t<p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-48235dd3-bbce-47ad-a99a-5cbeed382303\" style=\"color: #ffffff; \"><strong><em><i class=\"fas fa-share\"><\/i>\u00a0 \u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 <\/em><\/strong>2<\/p>\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down open\"><\/span><\/div>\n\t\t<\/div>\n\t\t\t<div role=\"region\" aria-expanded=\"true\" class=\"wp-block-ub-content-toggle-accordion-content-wrap\" id=\"ub-content-toggle-panel-0-48235dd3-bbce-47ad-a99a-5cbeed382303\">\n\n<p class=\"wp-block-paragraph\">\u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03bf\u03c5 \u03bc\u03b5 \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-4acec0443a5c8fbabf3a64ed67eaa70c_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"64\\,cm^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"53\" style=\"vertical-align: 0px;\">.<\/p>\n\n\n<div class=\"wp-block-ub-divider ub_divider ub-divider-orientation-horizontal\" id=\"ub_divider_543e75b9-bffe-49eb-827f-d03463431b49\"><div class=\"ub_divider_wrapper\" style=\"position: relative; margin-bottom: 2px; width: 100%; height: 2px; \" data-divider-alignment=\"center\"><div class=\"ub_divider_line\" style=\"border-top: 2px dashed #ccc; margin-top: 2px; \"><\/div><\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u03a3\u03cd\u03bc\u03c6\u03c9\u03bd\u03b1 \u03bc\u03b5 \u03c4\u03bf\u03bd \u03c4\u03cd\u03c0\u03bf \u03b3\u03b9\u03b1 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03bf\u03c5 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-cc35d01ec6e1b9673d768618613ce72f_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"E = \\alpha^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"59\" style=\"vertical-align: 0px;\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u039a\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c0\u03c1\u03bf\u03ba\u03cd\u03c0\u03c4\u03b5\u03b9: <\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-59aa1446cd169c90f53a82e461311b99_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\alpha^2 = 64\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"63\" style=\"vertical-align: 0px;\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0393\u03b9\u03b1 \u03bd\u03b1 \u03b2\u03c1\u03bf\u03cd\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-dc409b18c1ed275e303aee9b0b3443f0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\alpha\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"12\" style=\"vertical-align: 0px;\">, \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b7\u03bd \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03c9\u03bd\u03b9\u03ba\u03ae \u03c1\u03af\u03b6\u03b1:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-b58277bfe970b2c8c682cc14606e0533_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\alpha = \\sqrt{64} = 8\\,cm\" title=\"Rendered by QuickLaTeX.com\" height=\"19\" width=\"133\" style=\"vertical-align: -2px;\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0388\u03c4\u03c3\u03b9, \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac\u03c2 \u03c4\u03bf\u03c5 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9\u00a0<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-489f1358702df4f6e7a0f39fb3d6edf5_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"8\\,cm\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"37\" style=\"vertical-align: 0px;\">.<\/p>\n\n<\/div>\n\t\t<\/div>\n<\/div>\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-d6a4a9e7-9fc7-471d-96e0-4a245b3ffb36\" data-mobilecollapse=\"false\" data-desktopcollapse=\"false\" data-preventcollapse=\"false\" data-showonlyone=\"false\">\n<div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #0b6623; \" id=\"ub-content-toggle-panel-block-b0582424-e39e-49e2-a5a8-ab7a4cad243e\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #0b6623;\" aria-controls=\"ub-content-toggle-panel-0-d6a4a9e7-9fc7-471d-96e0-4a245b3ffb36\" tabindex=\"0\">\n\t\t\t<h4 class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-d6a4a9e7-9fc7-471d-96e0-4a245b3ffb36\" style=\"color: #ffffff; \"><em><strong><i class=\"fas fa-share\"><\/i>\u00a0 \u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 <\/strong><\/em>3<\/h4>\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down open\"><\/span><\/div>\n\t\t<\/div>\n\t\t\t<div role=\"region\" aria-expanded=\"true\" class=\"wp-block-ub-content-toggle-accordion-content-wrap\" id=\"ub-content-toggle-panel-0-d6a4a9e7-9fc7-471d-96e0-4a245b3ffb36\">\n\n<p class=\"wp-block-paragraph\">\u0388\u03bd\u03b1\u03c2 \u03c6\u03af\u03bb\u03bf\u03c2 \u03c3\u03b1\u03c2 \u03b1\u03b3\u03cc\u03c1\u03b1\u03c3\u03b5 \u03ad\u03bd\u03b1 \u03b4\u03c9\u03bc\u03ac\u03c4\u03b9\u03bf \u03c0\u03bf\u03c5 \u03b8\u03ad\u03bb\u03b5\u03b9 \u03bd\u03b1 \u03b1\u03bd\u03b1\u03ba\u03b1\u03b9\u03bd\u03af\u03c3\u03b5\u03b9. \u03a4\u03bf \u03b4\u03ac\u03c0\u03b5\u03b4\u03bf \u03c4\u03bf\u03c5 \u03b4\u03c9\u03bc\u03b1\u03c4\u03af\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b5\u03c4\u03c1\u03ac\u03b3\u03c9\u03bd\u03bf \u03ba\u03b1\u03b9 \u03b8\u03ad\u03bb\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03bf \u03ba\u03b1\u03bb\u03cd\u03c8\u03b5\u03b9 \u03bc\u03b5 \u03c4\u03b5\u03c4\u03c1\u03ac\u03b3\u03c9\u03bd\u03b1 \u03c0\u03bb\u03b1\u03ba\u03ac\u03ba\u03b9\u03b1 \u03bc\u03b5 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 30 \u03b5\u03ba\u03b1\u03c4\u03bf\u03c3\u03c4\u03ac. \u0397 \u03c0\u03b5\u03c1\u03af\u03bc\u03b5\u03c4\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 12 \u03bc\u03ad\u03c4\u03c1\u03b1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. \u03a0\u03bf\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. \u03a0\u03bf\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03bf\u03c5 \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5 \u03c3\u03b5 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03c9\u03bd\u03b9\u03ba\u03ac \u03bc\u03ad\u03c4\u03c1\u03b1;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. \u03a0\u03bf\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03ba\u03ac\u03b8\u03b5 \u03c0\u03bb\u03b1\u03ba\u03b9\u03b4\u03af\u03bf\u03c5 \u03c3\u03b5 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03c9\u03bd\u03b9\u03ba\u03ac \u03b5\u03ba\u03b1\u03c4\u03bf\u03c3\u03c4\u03ac;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4. \u03a0\u03cc\u03c3\u03b1 \u03c0\u03bb\u03b1\u03ba\u03ac\u03ba\u03b9\u03b1 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03ba\u03b1\u03bb\u03cd\u03c8\u03bf\u03c5\u03bd \u03cc\u03bb\u03b7 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u03a3\u03b7\u03bc\u03b5\u03af\u03c9\u03c3\u03b7: <\/em>\u039d\u03b1 \u03b8\u03b5\u03c9\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03c0\u03bb\u03b1\u03ba\u03ac\u03ba\u03b9\u03b1 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03ba\u03b5\u03bd\u03ac \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2.<\/p>\n\n\n<div class=\"wp-block-ub-divider ub_divider ub-divider-orientation-horizontal\" id=\"ub_divider_8874d9e3-5221-4392-b3d7-d259698a647b\"><div class=\"ub_divider_wrapper\" style=\"position: relative; margin-bottom: 2px; width: 100%; height: 2px; \" data-divider-alignment=\"center\"><div class=\"ub_divider_line\" style=\"border-top: 2px dashed #ccc; margin-top: 2px; \"><\/div><\/div><\/div>\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0395\u03c1\u03ce\u03c4\u03b7\u03bc\u03b1 1: \u03a0\u03bf\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5;<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0397 \u03c0\u03b5\u03c1\u03af\u03bc\u03b5\u03c4\u03c1\u03bf\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03bf\u03c5 \u03bc\u03b5 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-dc409b18c1ed275e303aee9b0b3443f0_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\alpha\" title=\"Rendered by QuickLaTeX.com\" height=\"8\" width=\"12\" style=\"vertical-align: 0px;\"> \u03b4\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c4\u03cd\u03c0\u03bf: <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 13px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-5d3211f82da472da082956186ce57e8b_l3.png\" height=\"13\" width=\"75\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[\\Pi = 4 \\cdot \\alpha\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0391\u03c6\u03bf\u03cd \u03b7 \u03c0\u03b5\u03c1\u03af\u03bc\u03b5\u03c4\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 12 \u03bc\u03ad\u03c4\u03c1\u03b1, \u03bc\u03c0\u03bf\u03c1\u03bf\u03cd\u03bc\u03b5 \u03bd\u03b1 \u03b2\u03c1\u03bf\u03cd\u03bc\u03b5 \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac\u03c2, \u03ba\u03ac\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b1\u03bd\u03c4\u03b9\u03ba\u03b1\u03c4\u03ac\u03c3\u03c4\u03b1\u03c3\u03b7 \u03c3\u03c4\u03bf\u03bd \u03c0\u03b1\u03c1\u03b1\u03c0\u03ac\u03bd\u03c9 \u03c4\u03cd\u03c0\u03bf \u03ba\u03b1\u03b9 \u03bb\u03cd\u03bd\u03bf\u03bd\u03c4\u03b1\u03c2 \u03c4\u03b7\u03bd \u03b5\u03be\u03af\u03c3\u03c9\u03c3\u03b7.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"> <\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 13px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-f04f7dcdde0d3429ba8a2a74593fe875_l3.png\" height=\"13\" width=\"78\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[12 = 4 \\cdot \\alpha\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 38px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-a333f2803a0ed018fa9a67472895e7e8_l3.png\" height=\"38\" width=\"59\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[\\alpha=\\dfrac{12}{4}\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 13px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-e6726690828704977670292db9e68b40_l3.png\" height=\"13\" width=\"62\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[\\alpha=3m\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0386\u03c1\u03b1, \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac\u03c2 \u03c4\u03bf\u03c5 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03c9\u03bd\u03b9\u03ba\u03bf\u03cd \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-7e4d7ace76f7a37b93c7f150af305ebb_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"3m\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"25\" style=\"vertical-align: 0px;\">.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0395\u03c1\u03ce\u03c4\u03b7\u03bc\u03b1 2: \u03a0\u03bf\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03bf\u03c5 \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5 \u03c3\u03b5 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03c9\u03bd\u03b9\u03ba\u03ac \u03bc\u03ad\u03c4\u03c1\u03b1;<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03b5\u03bd\u03cc\u03c2 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03bf\u03c5 \u03b4\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c4\u03cd\u03c0\u03bf:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 17px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-b58485b4522ad5454f7f9cf1e41c31b7_l3.png\" height=\"17\" width=\"59\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[E = \\alpha^2\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0386\u03c1\u03b1, \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03bf\u03c5 \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 17px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-283eb69d39c21ab45277e0355700ccbb_l3.png\" height=\"17\" width=\"115\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[E = 3^2=9m^2\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0395\u03c1\u03ce\u03c4\u03b7\u03bc\u03b1 3: \u03a0\u03bf\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03ba\u03ac\u03b8\u03b5 \u03c0\u03bb\u03b1\u03ba\u03b9\u03b4\u03af\u03bf\u03c5 \u03c3\u03b5 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03c9\u03bd\u03b9\u03ba\u03ac \u03b5\u03ba\u03b1\u03c4\u03bf\u03c3\u03c4\u03ac;<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03b5\u03bd\u03cc\u03c2 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03bf\u03c5 \u03b4\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03b1\u03c0\u03cc \u03c4\u03bf\u03bd \u03c4\u03cd\u03c0\u03bf:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 17px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-b58485b4522ad5454f7f9cf1e41c31b7_l3.png\" height=\"17\" width=\"59\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[E = \\alpha^2\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0386\u03c1\u03b1, \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03bf\u03c5 \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 17px;\"><span class=\"ql-right-eqno\"> \u00a0 <\/span><span class=\"ql-left-eqno\"> \u00a0 <\/span><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-56363744da3baf27e3ebacf2451ebe0f_l3.png\" height=\"17\" width=\"151\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[E = 30^2=900cm^2\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0395\u03c1\u03ce\u03c4\u03b7\u03bc\u03b1 4: \u03a0\u03cc\u03c3\u03b1 \u03c0\u03bb\u03b1\u03ba\u03ac\u03ba\u03b9\u03b1 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03ba\u03b1\u03bb\u03cd\u03c8\u03bf\u03c5\u03bd \u03cc\u03bb\u03b7 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5;<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0393\u03b9\u03b1 \u03bd\u03b1 \u03b2\u03c1\u03bf\u03cd\u03bc\u03b5 \u03c4\u03bf\u03bd \u03b1\u03c1\u03b9\u03b8\u03bc\u03cc \u03c4\u03c9\u03bd \u03c0\u03bb\u03b1\u03ba\u03b9\u03b4\u03af\u03c9\u03bd, \u03b4\u03b9\u03b1\u03b9\u03c1\u03bf\u03cd\u03bc\u03b5 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03bf\u03c5 \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5 \u03bc\u03b5 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03ba\u03ac\u03b8\u03b5 \u03c0\u03bb\u03b1\u03ba\u03b9\u03b4\u03af\u03bf\u03c5, \u03b4\u03b7\u03bb\u03b1\u03b4\u03ae<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0391\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 \u03c0\u03bb\u03b1\u03ba\u03b9\u03b4\u03af\u03c9\u03bd = \u0395\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5 \/ \u0395\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c0\u03bb\u03b1\u03ba\u03b9\u03b4\u03af\u03bf\u03c5<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u038c\u03bc\u03c9\u03c2 \u03b8\u03b1 \u03c0\u03c1\u03ad\u03c0\u03b5\u03b9 \u03bd\u03b1 \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5 \u03c4\u03b9\u03c2 \u03af\u03b4\u03b9\u03b5\u03c2 \u03bc\u03bf\u03bd\u03ac\u03b4\u03b5\u03c2 \u03bc\u03ad\u03c4\u03c1\u03b7\u03c3\u03b7\u03c2. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0393\u03bd\u03c9\u03c1\u03af\u03b6\u03bf\u03c5\u03bc\u03b5 \u03cc\u03c4\u03b9 1 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03c9\u03bd\u03b9\u03ba\u03cc \u03bc\u03ad\u03c4\u03c1\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03bf \u03bc\u03b5 10.000 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03c9\u03bd\u03b9\u03ba\u03ac \u03b5\u03ba\u03b1\u03c4\u03bf\u03c3\u03c4\u03ac, \u03ad\u03c7\u03bf\u03c5\u03bc\u03b5:<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\">\u0395\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c0\u03bb\u03b1\u03ba\u03b9\u03b4\u03af\u03bf\u03c5 = <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-1c15ccabb166840bb1a5d7c95e6c70a2_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\dfrac{900}{10000} = 0,09 m^2\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"133\" style=\"vertical-align: -13px;\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0395\u03c0\u03bf\u03bc\u03ad\u03bd\u03c9\u03c2, <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0391\u03c1\u03b9\u03b8\u03bc\u03cc\u03c2 \u03c0\u03bb\u03b1\u03ba\u03b9\u03b4\u03af\u03c9\u03bd = \u0395\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5 \/ \u0395\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c0\u03bb\u03b1\u03ba\u03b9\u03b4\u03af\u03bf\u03c5 =  <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-72b449ef15ea2d8fd4f7e07f64dfb847_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\dfrac{9}{0,09} =\" title=\"Rendered by QuickLaTeX.com\" height=\"43\" width=\"58\" style=\"vertical-align: -17px;\">\\dfrac{9\\cdot 100}{0,09\\cdot 100}=<img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-2f6b30d2dbfd05314bbb11b9aa21a422_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\dfrac{900}{9}=100\" title=\"Rendered by QuickLaTeX.com\" height=\"39\" width=\"82\" style=\"vertical-align: -13px;\">.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0386\u03c1\u03b1, \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 100 \u03c0\u03bb\u03b1\u03ba\u03ac\u03ba\u03b9\u03b1 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03ba\u03b1\u03bb\u03c5\u03c6\u03b8\u03b5\u03af \u03cc\u03bb\u03b7 \u03b7 \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03b4\u03b1\u03c0\u03ad\u03b4\u03bf\u03c5.<\/p>\n\n<\/div>\n\t\t<\/div>\n<\/div>\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-33135224-517c-40cc-a912-ccf65dd5b928\" data-mobilecollapse=\"false\" data-desktopcollapse=\"false\" data-preventcollapse=\"false\" data-showonlyone=\"false\">\n<div class=\"wp-block-ub-content-toggle-accordion\" style=\"border-color: #ff6900; \" id=\"ub-content-toggle-panel-block-74aa771c-9c3a-4d73-920f-6386e2f90321\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #ff6900;\" aria-controls=\"ub-content-toggle-panel-0-33135224-517c-40cc-a912-ccf65dd5b928\" tabindex=\"0\">\n\t\t\t<h4 class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-33135224-517c-40cc-a912-ccf65dd5b928\" style=\"color: #ffffff; \"><strong><em><i class=\"fas fa-flag\"><\/i> Let&#8217;s Practise<\/em><\/strong><\/h4>\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-toggle-wrap right\" style=\"color: #000000;\"><span class=\"wp-block-ub-content-toggle-accordion-state-indicator wp-block-ub-chevron-down open\"><\/span><\/div>\n\t\t<\/div>\n\t\t\t<div role=\"region\" aria-expanded=\"true\" class=\"wp-block-ub-content-toggle-accordion-content-wrap\" id=\"ub-content-toggle-panel-0-33135224-517c-40cc-a912-ccf65dd5b928\">\n\n<p class=\"wp-block-paragraph\"><strong>\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 1<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a3\u03c5\u03bc\u03c0\u03bb\u03ae\u03c1\u03c9\u03c3\u03b5 \u03c4\u03bf\u03bd \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 \u03bc\u03b5 \u03c4\u03b9\u03c2 \u03b6\u03b7\u03c4\u03bf\u03cd\u03bc\u03b5\u03bd\u03b5\u03c2 \u03c4\u03b9\u03bc\u03ad\u03c2 \u03b3\u03b9\u03b1 \u03ba\u03ac\u03b8\u03b5 \u03c4\u03b5\u03c4\u03c1\u03ac\u03b3\u03c9\u03bd\u03bf.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><th class=\"has-text-align-center\" data-align=\"center\"><em><span style=\"color: #000080;\">\u03a0\u03bb\u03b5\u03c5\u03c1\u03ac (\u03c3\u03b5 cm)<\/span><\/em><\/th><th class=\"has-text-align-center\" data-align=\"center\"><em><span style=\"color: #000080;\">\u0395\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd (\u03c3\u03b5 cm\u00b2)<\/span><\/em><\/th><th class=\"has-text-align-center\" data-align=\"center\"><em><span style=\"color: #000080;\">\u03a0\u03b5\u03c1\u03af\u03bc\u03b5\u03c4\u03c1\u03bf\u03c2 (\u03c3\u03b5 cm)<\/span><\/em><\/th><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>4<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>36<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>10<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><td class=\"has-text-align-center\" data-align=\"center\">\u00a0<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>20<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 <\/strong>2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0391\u03bd \u03b7 \u03c0\u03b5\u03c1\u03af\u03bc\u03b5\u03c4\u03c1\u03bf\u03c2 \u03b5\u03bd\u03cc\u03c2 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03ce\u03bd\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 60 cm, \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03bf\u03c5.<\/p>\n\n\n\n<p class=\"has-text-align-right has-text-color has-link-color wp-elements-c3b737f0ccfb373cd2d88eb090d67dc6 wp-block-paragraph\" style=\"color:#000080\"><em>(\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 \u03c3\u03c7\u03bf\u03bb\u03b9\u03ba\u03bf\u03cd \u03b2\u03b9\u03b2\u03bb\u03af\u03bf\u03c5)<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 <\/strong>3<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0388\u03bd\u03b1\u03c2 \u03c6\u03af\u03bb\u03bf\u03c2 \u03c3\u03b1\u03c2 \u03b8\u03ad\u03bb\u03b5\u03b9 \u03bd\u03b1 \u03b4\u03b9\u03b1\u03ba\u03bf\u03c3\u03bc\u03ae\u03c3\u03b5\u03b9 \u03c4\u03bf\u03bd \u03c4\u03bf\u03af\u03c7\u03bf \u03c4\u03bf\u03c5 \u03c3\u03b1\u03bb\u03bf\u03bd\u03b9\u03bf\u03cd \u03c4\u03bf\u03c5 \u03bc\u03b5 \u03ad\u03bd\u03b1\u03bd \u03c0\u03af\u03bd\u03b1\u03ba\u03b1 \u03b1\u03c0\u03bf\u03c4\u03b5\u03bb\u03bf\u03cd\u03bc\u03b5\u03bd\u03bf \u03b1\u03c0\u03cc \u03c4\u03b5\u03c4\u03c1\u03ac\u03b3\u03c9\u03bd\u03b1 \u03c0\u03bb\u03b1\u03ba\u03ac\u03ba\u03b9\u03b1 \u03c4\u03ad\u03c7\u03bd\u03b7\u03c2. \u039f \u03c4\u03bf\u03af\u03c7\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03b5\u03c4\u03c1\u03ac\u03b3\u03c9\u03bd\u03bf\u03c2 \u03ba\u03b1\u03b9 \u03c3\u03ba\u03bf\u03c0\u03b5\u03cd\u03b5\u03b9 \u03bd\u03b1 \u03c4\u03bf\u03bd \u03ba\u03b1\u03bb\u03cd\u03c8\u03b5\u03b9 \u03b5\u03be \u03bf\u03bb\u03bf\u03ba\u03bb\u03ae\u03c1\u03bf\u03c5 \u03bc\u03b5 \u03c0\u03bb\u03b1\u03ba\u03ac\u03ba\u03b9\u03b1 \u03c0\u03bf\u03c5 \u03ad\u03c7\u03bf\u03c5\u03bd \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac \u03bc\u03ae\u03ba\u03bf\u03c5\u03c2 20 \u03b5\u03ba\u03b1\u03c4\u03bf\u03c3\u03c4\u03ac. \u0397 \u03c0\u03b5\u03c1\u03af\u03bc\u03b5\u03c4\u03c1\u03bf\u03c2 \u03c4\u03bf\u03c5 \u03c4\u03bf\u03af\u03c7\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 8 \u03bc\u03ad\u03c4\u03c1\u03b1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. \u03a0\u03bf\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03bf\u03c5 \u03c4\u03bf\u03af\u03c7\u03bf\u03c5 \u03c3\u03b5 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03c9\u03bd\u03b9\u03ba\u03ac \u03bc\u03ad\u03c4\u03c1\u03b1;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. \u03a0\u03bf\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac\u03c2 \u03c4\u03bf\u03c5 \u03c4\u03bf\u03af\u03c7\u03bf\u03c5;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">3. \u03a0\u03bf\u03b9\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03ba\u03ac\u03b8\u03b5 \u03c0\u03bb\u03b1\u03ba\u03b9\u03b4\u03af\u03bf\u03c5 \u03c3\u03b5 \u03c4\u03b5\u03c4\u03c1\u03b1\u03b3\u03c9\u03bd\u03b9\u03ba\u03ac \u03b5\u03ba\u03b1\u03c4\u03bf\u03c3\u03c4\u03ac;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">4. \u03a0\u03cc\u03c3\u03b1 \u03c0\u03bb\u03b1\u03ba\u03ac\u03ba\u03b9\u03b1 \u03c7\u03c1\u03b5\u03b9\u03ac\u03b6\u03bf\u03bd\u03c4\u03b1\u03b9 \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03ba\u03b1\u03bb\u03cd\u03c8\u03bf\u03c5\u03bd \u03cc\u03bb\u03b7 \u03c4\u03b7\u03bd \u03b5\u03c0\u03b9\u03c6\u03ac\u03bd\u03b5\u03b9\u03b1 \u03c4\u03bf\u03c5 \u03c4\u03bf\u03af\u03c7\u03bf\u03c5;<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u03a3\u03b7\u03bc\u03b5\u03af\u03c9\u03c3\u03b7<\/em>: \u039d\u03b1 \u03b8\u03b5\u03c9\u03c1\u03ae\u03c3\u03b5\u03c4\u03b5 \u03cc\u03c4\u03b9 \u03c4\u03b1 \u03c0\u03bb\u03b1\u03ba\u03ac\u03ba\u03b9\u03b1 \u03c4\u03bf\u03c0\u03bf\u03b8\u03b5\u03c4\u03bf\u03cd\u03bd\u03c4\u03b1\u03b9 \u03c7\u03c9\u03c1\u03af\u03c2 \u03ba\u03b5\u03bd\u03ac \u03bc\u03b5\u03c4\u03b1\u03be\u03cd \u03c4\u03bf\u03c5\u03c2 \u03ba\u03b1\u03b9 \u03ba\u03b1\u03bb\u03cd\u03c0\u03c4\u03bf\u03c5\u03bd \u03b1\u03ba\u03c1\u03b9\u03b2\u03ce\u03c2 \u03c4\u03bf\u03bd \u03c4\u03bf\u03af\u03c7\u03bf.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n<\/div>\n\t\t<\/div>\n<\/div>\n\n<div class=\"wp-block-ub-divider ub_divider ub-divider-orientation-horizontal\" id=\"ub_divider_348b8b32-06ee-4c53-a20f-d610bec9f659\"><div class=\"ub_divider_wrapper\" style=\"position: relative; margin-bottom: 2px; width: 100%; height: 2px; \" data-divider-alignment=\"center\"><div class=\"ub_divider_line\" style=\"border-top: 2px dashed #ff6900; margin-top: 2px; \"><\/div><\/div><\/div>\n\n<p><strong>\u0392\u03b9\u03b2\u03bb\u03b9\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1:<\/strong> \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u0392 \u0393\u03c5\u03bc\u03bd\u03b1\u03c3\u03af\u03bf\u03c5 (\u03a0\u03b1\u03bd\u03b1\u03b3\u03b9\u03ce\u03c4\u03b7\u03c2 \u0392\u03bb\u03ac\u03bc\u03bf\u03c2, \u03a0\u03b1\u03bd\u03b1\u03b3\u03b9\u03ce\u03c4\u03b7\u03c2 \u0394\u03c1\u03bf\u03cd\u03c4\u03c3\u03b1\u03c2, \u0393\u03b5\u03ce\u03c1\u03b3\u03b9\u03bf\u03c2 \u03a0\u03c1\u03ad\u03c3\u03b2\u03b7\u03c2, \u039a\u03c9\u03bd\u03c3\u03c4\u03b1\u03bd\u03c4\u03af\u03bd\u03bf\u03c2 \u03a1\u03b5\u03ba\u03bf\u03cd\u03bc\u03b7\u03c2)<\/p>\n<p style=\"text-align: center;\"><strong>Creative Commons \u0391\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd &#8211; \u039c\u03b7 \u0395\u03bc\u03c0\u03bf\u03c1\u03b9\u03ba\u03ae \u03a7\u03c1\u03ae\u03c3\u03b7 &#8211; \u03a0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b1 \u0394\u03b9\u03b1\u03bd\u03bf\u03bc\u03ae 4.0 \u0394\u03b9\u03b5\u03b8\u03bd\u03ad\u03c2<\/strong><\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter wp-image-1292\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/09\/creativecommons-150x141.png\" alt=\"\" width=\"150\" height=\"52\" srcset=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/09\/creativecommons-300x105.png 300w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/09\/creativecommons.png 403w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/p>\n<\/p>\n\n<div class=\"wp-block-ub-divider ub_divider ub-divider-orientation-horizontal\" id=\"ub_divider_1a895293-21db-469d-91eb-f1a99a208067\"><div class=\"ub_divider_wrapper\" style=\"position: relative; margin-bottom: 2px; width: 100%; height: 2px; \" data-divider-alignment=\"center\"><div class=\"ub_divider_line\" style=\"border-top: 2px dashed #ff6900; margin-top: 2px; \"><\/div><\/div><\/div>\n\n<div class=\"wp-block-ub-social-share\" id=\"ub-social-share-db4159c7-c5a6-4de5-9c4e-5ee84c4848a1\">\n\t\t\t<div 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href=\"http:\/\/twitter.com\/intent\/tweet?url=https%3A%2F%2Fgbelentzas.sites.sch.gr%2F%3Fp%3D2260&amp;text=1.3%20%CE%95%CE%BC%CE%B2%CE%B1%CE%B4%CF%8C%CE%BD%20%CF%84%CE%B5%CF%84%CF%81%CE%B1%CE%B3%CF%8E%CE%BD%CE%BF%CF%85\" class=\"ub-social-share-twitter-container\" style=\"border-color: #1d9bf0; \">\n\t\t\t\t<span class=\"social-share-icon ub-social-share-twitter square\" style=\"width: 30px; height: 30px; \"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"color:#ffffff\" fill=\"#ffffff\" width=\"20\" height=\"20\" viewbox=\"0 0 24 24\"><path d=\"M18.901 1.153h3.68l-8.04 9.19L24 22.846h-7.406l-5.8-7.584l-6.638 7.584H.474l8.6-9.83L0 1.154h7.594l5.243 6.932ZM17.61 20.644h2.039L6.486 3.24H4.298Z\"><\/path><\/svg><\/span><span style=\"\">tweet<\/span>\n\t\t\t<\/a><a aria-label=\"linkedin-logo\" target=\"_blank\" rel=\"nofollow\" href=\"https:\/\/www.linkedin.com\/sharing\/share-offsite\/?url=https%3A%2F%2Fgbelentzas.sites.sch.gr%2F%3Fp%3D2260\" class=\"ub-social-share-linkedin-container\" style=\"border-color: #2867b2; \">\n\t\t\t\t<span class=\"social-share-icon ub-social-share-linkedin square\" style=\"width: 30px; height: 30px; \"><svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" style=\"fill:#ffffff\" fill=\"#ffffff\" width=\"20\" height=\"20\" viewbox=\"0 0 448 512\"><path d=\"M100.3 480H7.4V180.9h92.9V480zM53.8 140.1C24.1 140.1 0 115.5 0 85.8 0 56.1 24.1 32 53.8 32c29.7 0 53.8 24.1 53.8 53.8 0 29.7-24.1 54.3-53.8 54.3zM448 480h-92.7V334.4c0-34.7-.7-79.2-48.3-79.2-48.3 0-55.7 37.7-55.7 76.7V480h-92.8V180.9h89.1v40.8h1.3c12.4-23.5 42.7-48.3 87.9-48.3 94 0 111.3 61.9 111.3 142.3V480z\"><\/path><\/svg><\/span><span style=\"\">share<\/span>\n\t\t\t<\/a><\/div>\n\t\t<\/div>\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u03a4\u03b5\u03c4\u03c1\u03ac\u03b3\u03c9\u03bd\u03bf \u03bf\u03bd\u03bf\u03bc\u03ac\u03b6\u03b5\u03c4\u03b1\u03b9 \u03c4\u03bf \u03c4\u03b5\u03c4\u03c1\u03ac\u03c0\u03bb\u03b5\u03c5\u03c1\u03bf \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ad\u03c2 \u03c4\u03bf\u03c5 \u03af\u03c3\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03c4\u03b9\u03c2 \u03b3\u03c9\u03bd\u03af\u03b5\u03c2 \u03c4\u03bf\u03c5 \u03bf\u03c1\u03b8\u03ad\u03c2. \u0392\u03b9\u03b2\u03bb\u03b9\u03bf\u03b3\u03c1\u03b1\u03c6\u03af\u03b1: \u039c\u03b1\u03b8\u03b7\u03bc\u03b1\u03c4\u03b9\u03ba\u03ac \u0392 \u0393\u03c5\u03bc\u03bd\u03b1\u03c3\u03af\u03bf\u03c5 (\u03a0\u03b1\u03bd\u03b1\u03b3\u03b9\u03ce\u03c4\u03b7\u03c2 \u0392\u03bb\u03ac\u03bc\u03bf\u03c2, \u03a0\u03b1\u03bd\u03b1\u03b3\u03b9\u03ce\u03c4\u03b7\u03c2 \u0394\u03c1\u03bf\u03cd\u03c4\u03c3\u03b1\u03c2, \u0393\u03b5\u03ce\u03c1\u03b3\u03b9\u03bf\u03c2 \u03a0\u03c1\u03ad\u03c3\u03b2\u03b7\u03c2, \u039a\u03c9\u03bd\u03c3\u03c4\u03b1\u03bd\u03c4\u03af\u03bd\u03bf\u03c2 \u03a1\u03b5\u03ba\u03bf\u03cd\u03bc\u03b7\u03c2) Creative Commons \u0391\u03bd\u03b1\u03c6\u03bf\u03c1\u03ac \u0394\u03b7\u03bc\u03b9\u03bf\u03c5\u03c1\u03b3\u03bf\u03cd &#8211; \u039c\u03b7 \u0395\u03bc\u03c0\u03bf\u03c1\u03b9\u03ba\u03ae \u03a7\u03c1\u03ae\u03c3\u03b7 &#8211; \u03a0\u03b1\u03c1\u03cc\u03bc\u03bf\u03b9\u03b1 \u0394\u03b9\u03b1\u03bd\u03bf\u03bc\u03ae 4.0 \u0394\u03b9\u03b5\u03b8\u03bd\u03ad\u03c2<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-2260","post","type-post","status-publish","format-standard","hentry","category-1---"],"featured_image_src":null,"author_info":{"display_name":"admin","author_link":"https:\/\/gbelentzas.sites.sch.gr\/?author=1"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>1.3 \u0395\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd 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