{"id":2268,"date":"2024-11-09T05:07:00","date_gmt":"2024-11-09T05:07:00","guid":{"rendered":"https:\/\/gbelentzas.sites.sch.gr\/?p=2268"},"modified":"2025-08-14T19:13:39","modified_gmt":"2025-08-14T19:13:39","slug":"1-3-%ce%b5%ce%bc%ce%b2%ce%b1%ce%b4%cf%8c%ce%bd-%cf%80%ce%b1%cf%81%ce%b1%ce%bb%ce%bb%ce%b7%ce%bb%ce%bf%ce%b3%cf%81%ce%ac%ce%bc%ce%bc%ce%bf%cf%85","status":"publish","type":"post","link":"https:\/\/gbelentzas.sites.sch.gr\/?p=2268","title":{"rendered":"1.3 \u0395\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03bf\u03c5"},"content":{"rendered":"\n\n<div class=\"wp-block-ub-content-toggle wp-block-ub-content-toggle-block\" id=\"ub-content-toggle-block-21feab97-1a4d-4c68-b352-7b654eab2499\" 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-b471d690-1197-48f4-a9d7-54565a2cd679\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #8ed1fc;\" aria-controls=\"ub-content-toggle-panel-0-21feab97-1a4d-4c68-b352-7b654eab2499\" tabindex=\"0\">\n\t\t\t<p class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-21feab97-1a4d-4c68-b352-7b654eab2499\" 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>:\u00a0<a href=\"http:\/\/ebooks.edu.gr\/ebooks\/v\/html\/8547\/2196\/Mathimatika_B-Gymnasiou_html-empl\/indexB1_3.html\">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 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-0-21feab97-1a4d-4c68-b352-7b654eab2499\"><\/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-eec21564-796e-40ce-9fa7-80226ac54815\" 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-d4c94ce4-5d0e-4f56-8734-2b4ef58c0cc7\">\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-eec21564-796e-40ce-9fa7-80226ac54815\" tabindex=\"0\">\n\t\t\t<h4 class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-eec21564-796e-40ce-9fa7-80226ac54815\" style=\"color: #ffffff; \"><strong><em><i class=\"fas fa-download\"><\/i> \u00a0 \u0395\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03bf\u03c5<\/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-eec21564-796e-40ce-9fa7-80226ac54815\">\n\n<p class=\"wp-block-paragraph\">T\u03bf \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03bf \u03b5\u03af\u03bd\u03b1\u03b9 \u03ad\u03bd\u03b1 \u03c4\u03b5\u03c4\u03c1\u03ac\u03c0\u03bb\u03b5\u03c5\u03c1\u03bf \u03c0\u03bf\u03c5 \u03ad\u03c7\u03b5\u03b9 \u03c4\u03b9\u03c2 \u03b1\u03c0\u03ad\u03bd\u03b1\u03bd\u03c4\u03b9 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ad\u03c2 \u03c4\u03bf\u03c5\u00a0<strong>\u03c0\u03b1\u03c1\u03ac\u03bb\u03bb\u03b7\u03bb\u03b5\u03c2 \u03ba\u03b1\u03b9 \u03af\u03c3\u03b5\u03c2<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03b5\u03bd\u03cc\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 \u03af\u03c3\u03bf \u03bc\u03b5 \u03c4\u03bf \u03b3\u03b9\u03bd\u03cc\u03bc\u03b5\u03bd\u03bf \u03bc\u03af\u03b1\u03c2 \u03b2\u03ac\u03c3\u03b7\u03c2 \u03c4\u03bf\u03c5 \u03bc\u03b5 \u03c4\u03bf \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03bf \u03cd\u03c8\u03bf\u03c2.\u00a0\u0394\u03b7\u03bb\u03b1\u03b4\u03ae,<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 18px;\"><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-9262e8397cb385c8631826f55dc7f87f_l3.png\" height=\"18\" width=\"76\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[E=\\beta \\cdot \\upsilon\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0395\u03b9\u03b4\u03b9\u03ba\u03cc\u03c4\u03b5\u03c1\u03b1, \u03b3\u03b9\u03b1 \u03c4\u03bf \u03c0\u03b1\u03c1\u03b1\u03ba\u03ac\u03c4\u03c9 \u03c3\u03c7\u03ae\u03bc\u03b1 \u03b9\u03c3\u03c7\u03cd\u03b5\u03b9: <\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 18px;\"><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-8e20627f4225fd80e5c548f419ff5e6c_l3.png\" height=\"18\" width=\"151\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[E=\\alpha \\cdot \\upsilon_1=\\beta\\cdot \\upsilon_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=\"300\" height=\"162\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/parallilogrammo-300x162.png\" alt=\"\" class=\"wp-image-2306\" style=\"width:320px;height:auto\" srcset=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/parallilogrammo-300x162.png 300w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/parallilogrammo-1024x551.png 1024w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/parallilogrammo-768x414.png 768w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/parallilogrammo-1536x827.png 1536w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/parallilogrammo-2048x1103.png 2048w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/parallilogrammo-850x458.png 850w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"has-white-color has-text-color has-link-color wp-elements-642c185ff5a45ef218b7d0f1068e743c wp-block-paragraph\"><\/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-5784818e-22a1-450b-bc74-890b9413101f\" 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-3d188c01-17b7-404b-9b31-a99f4ed2d2b1\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #0b6623;\" aria-controls=\"ub-content-toggle-panel-0-5784818e-22a1-450b-bc74-890b9413101f\" tabindex=\"0\">\n\t\t\t<h4 class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-5784818e-22a1-450b-bc74-890b9413101f\" 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-0-5784818e-22a1-450b-bc74-890b9413101f\">\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 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03bf\u03c5 \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 6 \u03bc\u03ad\u03c4\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03b1\u03bd\u03c4\u03af\u03c3\u03c4\u03bf\u03b9\u03c7\u03bf \u03cd\u03c8\u03bf\u03c2 4 \u03bc\u03ad\u03c4\u03c1\u03b1.<\/p>\n\n\n<div class=\"wp-block-ub-divider ub_divider ub-divider-orientation-horizontal\" id=\"ub_divider_3de55923-e7de-4599-a926-0f5b467d3512\"><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 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\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: 21px;\"><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-c190cf26e6597db06e385c1ac7a11aee_l3.png\" height=\"21\" width=\"199\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[E=\\beta \\cdot \\upsilon= 6 \\cdot 4 = 24m^2\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p><br>\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-22e572f7-b7d0-46ba-9e3b-b6af879b9036\" 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-8d7deb76-9b80-49dd-a8e7-5190b2a49ffa\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #0b6623;\" aria-controls=\"ub-content-toggle-panel-0-22e572f7-b7d0-46ba-9e3b-b6af879b9036\" tabindex=\"0\">\n\t\t\t<h4 class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-22e572f7-b7d0-46ba-9e3b-b6af879b9036\" style=\"color: #ffffff; \"><i class=\"fas fa-share\"><\/i>\u00a0 <strong><em>\u03a0\u03b1\u03c1\u03ac\u03b4\u03b5\u03b9\u03b3\u03bc\u03b1 2<\/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-0-22e572f7-b7d0-46ba-9e3b-b6af879b9036\">\n\n<p class=\"wp-block-paragraph\">\u0388\u03c3\u03c4\u03c9 \u03ad\u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03bf \u03bc\u03b5 \u03b2\u03ac\u03c3\u03b7 10 \u03bc\u03ad\u03c4\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03cd\u03c8\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ae \u03af\u03c3\u03bf \u03bc\u03b5 7 \u03bc\u03ad\u03c4\u03c1\u03b1.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. \u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03bf\u03c5.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2. \u0391\u03bd \u03b7 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 14 \u03bc\u03ad\u03c4\u03c1\u03b1, \u03bd\u03b1 \u03b2\u03c1\u03b5\u03af\u03c4\u03b5 \u03c4\u03bf \u03cd\u03c8\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ae. <\/p>\n\n\n<div class=\"wp-block-ub-divider ub_divider ub-divider-orientation-horizontal\" id=\"ub_divider_fb4da291-380f-4be3-bb10-1730d8b3d604\"><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.  \u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03bf\u03c5.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u03a4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03b5\u03bd\u03cc\u03c2 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\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: 18px;\"><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-9262e8397cb385c8631826f55dc7f87f_l3.png\" height=\"18\" width=\"76\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[E=\\beta \\cdot \\upsilon\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0391\u03c6\u03bf\u03cd \u03b7 \u03b2\u03ac\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 10 \u03bc\u03ad\u03c4\u03c1\u03b1 \u03ba\u03b1\u03b9 \u03c4\u03bf \u03cd\u03c8\u03bf\u03c2 \u03b5\u03af\u03bd\u03b1\u03b9 7 \u03bc\u03ad\u03c4\u03c1\u03b1, \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\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-b9901df030e1182cab67553e144622f4_l3.png\" height=\"17\" width=\"148\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[E = 10 \\cdot 7 = 70 m^2\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u0395\u03c1\u03ce\u03c4\u03b7\u03bc\u03b1 2 \u0391\u03bd \u03b7 \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03b7 \u03b2\u03ac\u03c3\u03b7 \u03c4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 14 \u03bc\u03ad\u03c4\u03c1\u03b1, \u03bd\u03b1 \u03b2\u03c1\u03b5\u03af\u03c4\u03b5 \u03c4\u03bf \u03cd\u03c8\u03bf\u03c2 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af \u03c3\u03b5 \u03b1\u03c5\u03c4\u03ae. <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0388\u03c7\u03bf\u03bd\u03c4\u03b1\u03c2 \u03b2\u03c1\u03b5\u03b9 \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd, \u03c7\u03c1\u03b7\u03c3\u03b9\u03bc\u03bf\u03c0\u03bf\u03b9\u03bf\u03cd\u03bc\u03b5 \u03c4\u03bf\u03bd \u03af\u03b4\u03b9\u03bf \u03c4\u03cd\u03c0\u03bf \u03b3\u03b9\u03b1 \u03bd\u03b1 \u03b2\u03c1\u03bf\u03cd\u03bc\u03b5 \u03c4\u03bf \u03b4\u03b5\u03cd\u03c4\u03b5\u03c1\u03bf \u03cd\u03c8\u03bf\u03c2\u00a0 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-4306ce34070bd50de042b70ecf8a6c8d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\upsilon_2\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"17\" style=\"vertical-align: -3px;\">, \u03cc\u03c4\u03b1\u03bd \u03b7 \u03ac\u03bb\u03bb\u03b7 \u03b2\u03ac\u03c3\u03b7 \u03b5\u03af\u03bd\u03b1\u03b9 14 \u03bc\u03ad\u03c4\u03c1\u03b1. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p><p class=\"ql-center-displayed-equation\" style=\"line-height: 18px;\"><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-f254645aae4f45d835a878c4927ff725_l3.png\" height=\"18\" width=\"90\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[E=\\beta_2 \\cdot \\upsilon_2\\]\" title=\"Rendered by QuickLaTeX.com\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0386\u03c1\u03b1 \u03bb\u03cd\u03bd\u03bf\u03c5\u03bc\u03b5 \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: 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-25b8ef3d427606bf75e77469b0232e89_l3.png\" height=\"17\" width=\"92\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[70=14 \\cdot \\upsilon_2\\]\" 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: 39px;\"><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-7d3b7558b17541fb059b7e5c5516df45_l3.png\" height=\"39\" width=\"116\" class=\"ql-img-displayed-equation quicklatex-auto-format\" alt=\"\\[\\upsilon_2=\\dfrac{70}{14}=5m\\]\" title=\"Rendered by QuickLaTeX.com\"><\/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-367adb60-b9bf-4359-8a89-09d134d4970e\" 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-44fd408b-9240-461a-bfc9-f3f2d50f1f55\">\n\t\t\t<div class=\"wp-block-ub-content-toggle-accordion-title-wrap\" style=\"background-color: #ff6900;\" aria-controls=\"ub-content-toggle-panel-0-367adb60-b9bf-4359-8a89-09d134d4970e\" tabindex=\"0\">\n\t\t\t<h4 class=\"wp-block-ub-content-toggle-accordion-title ub-content-toggle-title-367adb60-b9bf-4359-8a89-09d134d4970e\" 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-0-367adb60-b9bf-4359-8a89-09d134d4970e\">\n\n<p class=\"has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-4d414fbdf4ede7f64bf08cb738af7785 wp-block-paragraph\"><strong><em>\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 1<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0388\u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03bf \u03ad\u03c7\u03b5\u03b9 \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-52dc0ae3a61562e8275aa31e2a09a16e_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"120 cm^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"58\" style=\"vertical-align: 0px;\"> \u03ba\u03b1\u03b9 \u03cd\u03c8\u03bf\u03c2 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-00e8ab0ff88d8295fe9c0e7ead67fd33_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"15 cm\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"41\" style=\"vertical-align: 0px;\">. \u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b7 \u03b2\u03ac\u03c3\u03b7 \u03c0\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af \u03c3\u03c4\u03bf \u03cd\u03c8\u03bf\u03c2 \u03b1\u03c5\u03c4\u03cc.<\/p>\n\n\n\n<p class=\"has-text-align-right has-vivid-cyan-blue-color has-text-color has-link-color wp-elements-23204a1add8648af0f8496ed234779df wp-block-paragraph\"><em>(\u03a3\u03c7\u03bf\u03bb\u03b9\u03ba\u03cc \u03b2\u03b9\u03b2\u03bb\u03af\u03bf \u039a\u03cd\u03c0\u03c1\u03bf\u03c5)<\/em><\/p>\n\n\n\n<p class=\"has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-1e84628f4d0658c7d8cc3498afe0011f wp-block-paragraph\"><strong><em>\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 2<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0394\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03bf \u0391\u0392\u0393\u0394 \u03bc\u03b5 \u0394\u0393=6cm, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-84806db1a538e051a747c791d5e5eb76_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\upsilon_1=3cm\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"76\" style=\"vertical-align: -3px;\"> \u03ba\u03b1\u03b9 \u0391\u0394=5cm. \u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5:<\/p>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u03a4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03bf\u03c5 \u0391\u0392\u0393\u0394. <\/li>\n\n\n\n<li>\u03a4\u03bf \u03cd\u03c8\u03bf\u03c2 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-4306ce34070bd50de042b70ecf8a6c8d_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\upsilon_2\" title=\"Rendered by QuickLaTeX.com\" height=\"11\" width=\"17\" style=\"vertical-align: -3px;\"> \u03c0\u03bf\u03c5 \u03b1\u03bd\u03c4\u03b9\u03c3\u03c4\u03bf\u03b9\u03c7\u03b5\u03af \u03c3\u03c4\u03b7\u03bd \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac \u0392\u0393. <\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"551\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/parallilogrammo-1024x551.png\" alt=\"\" class=\"wp-image-2306\" style=\"width:235px;height:auto\" srcset=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/parallilogrammo-1024x551.png 1024w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/parallilogrammo-300x162.png 300w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/parallilogrammo-768x414.png 768w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/parallilogrammo-1536x827.png 1536w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/parallilogrammo-2048x1103.png 2048w, https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/parallilogrammo-850x458.png 850w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-right has-vivid-cyan-blue-color has-text-color has-link-color wp-elements-b4bf24e3095cf7531e5032ec7995aa39 wp-block-paragraph\" id=\"block-c01d128f-5d1c-44d3-bfbb-018e7f97dfa1\"><em>(\u03a3\u03c7\u03bf\u03bb\u03b9\u03ba\u03cc \u03b2\u03b9\u03b2\u03bb\u03af\u03bf)<\/em><\/p>\n\n\n\n<p class=\"has-text-align-left has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-166a13cbab4c072d8a296079c59f5f0b wp-block-paragraph\" id=\"block-c01d128f-5d1c-44d3-bfbb-018e7f97dfa1\"><strong><em>\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 3<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"block-66268547-f1ad-416b-8529-4870b2718fcb\">\u0394\u03af\u03bd\u03b5\u03c4\u03b1\u03b9 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03bf \u0391\u0392\u0393\u0394 \u03bc\u03b5 \u0391\u0392=8cm, <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-84806db1a538e051a747c791d5e5eb76_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\upsilon_1=3cm\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"76\" style=\"vertical-align: -3px;\"> \u03ba\u03b1\u03b9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-403171b823886a041113b57291fd2ddc_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"\\upsilon_1=6cm\" title=\"Rendered by QuickLaTeX.com\" height=\"16\" width=\"76\" style=\"vertical-align: -3px;\">. \u039d\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5:<\/p>\n\n\n\n<ol id=\"block-c361e634-36d5-4114-8a25-4890458e96ea\" class=\"wp-block-list\">\n<li>\u03a4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03bf\u03c5 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03bf\u03b3\u03c1\u03ac\u03bc\u03bc\u03bf\u03c5 \u0391\u0392\u0393\u0394.<\/li>\n\n\n\n<li>\u03a4\u03bf \u03bc\u03ae\u03ba\u03bf\u03c2 \u03c4\u03b7\u03c2 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac\u03c2 \u0392\u0393. <\/li>\n<\/ol>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter is-resized\" id=\"block-c8b769d2-ebb0-4dfc-adfe-0c42ce2ba1e7\"><img decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/uploads\/2024\/11\/parallilogrammo-1024x551.png\" alt=\"\u0391\u03c5\u03c4\u03ae \u03b7 \u03b5\u03b9\u03ba\u03cc\u03bd\u03b1 \u03b4\u03b5\u03bd \u03ad\u03c7\u03b5\u03b9 \u03b9\u03b4\u03b9\u03cc\u03c4\u03b7\u03c4\u03b1 alt. \u03a4\u03bf \u03cc\u03bd\u03bf\u03bc\u03b1 \u03c4\u03bf\u03c5 \u03b1\u03c1\u03c7\u03b5\u03af\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 parallilogrammo-1024x551.png\" style=\"width:236px;height:auto\"><\/figure>\n<\/div>\n\n\n<p class=\"has-text-align-right has-vivid-cyan-blue-color has-text-color has-link-color wp-elements-be8420eba99dacf1eddf8ec597bac211 wp-block-paragraph\"><em>(\u03a3\u03c7\u03bf\u03bb\u03b9\u03ba\u03cc \u03b2\u03b9\u03b2\u03bb\u03af\u03bf)<\/em><\/p>\n\n\n\n<p class=\"has-text-align-left has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-c183122e24428b8eee126ae69cf6b6d2 wp-block-paragraph\"><em><strong>\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 4<\/strong><\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u0388\u03bd\u03b1 \u03c0\u03b1\u03c1\u03b1\u03bb\u03bb\u03b7\u03bb\u03cc\u03b3\u03c1\u03b1\u03bc\u03bc\u03bf \u03ad\u03c7\u03b5\u03b9 \u03c0\u03b5\u03c1\u03af\u03bc\u03b5\u03c4\u03c1\u03bf <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-ea97639cc541bd7fcb0ebc1ba62c5df4_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"26cm\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"42\" style=\"vertical-align: 0px;\"> \u03ba\u03b1\u03b9 \u03b7 \u03bc\u03af\u03b1 \u03c0\u03bb\u03b5\u03c5\u03c1\u03ac \u03c4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-3fe406998113c70fbb3e31967cd81e72_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"8cm\" title=\"Rendered by QuickLaTeX.com\" height=\"13\" width=\"33\" style=\"vertical-align: 0px;\">. \u0391\u03bd \u03c4\u03bf \u03b5\u03bc\u03b2\u03b1\u03b4\u03cc\u03bd \u03c4\u03bf\u03c5 \u03b5\u03af\u03bd\u03b1\u03b9 <img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/gbelentzas.sites.sch.gr\/wp-content\/ql-cache\/quicklatex.com-d2ef23a812ab39bc4af91d451d018515_l3.png\" class=\"ql-img-inline-formula quicklatex-auto-format\" alt=\"20 cm^2\" title=\"Rendered by QuickLaTeX.com\" height=\"17\" width=\"49\" style=\"vertical-align: 0px;\">, \u03bd\u03b1 \u03c5\u03c0\u03bf\u03bb\u03bf\u03b3\u03af\u03c3\u03b5\u03c4\u03b5 \u03c4\u03b1 \u03cd\u03c8\u03b7 \u03c4\u03bf\u03c5.<\/p>\n\n\n\n<p class=\"has-text-align-right has-vivid-cyan-blue-color has-text-color has-link-color wp-elements-23204a1add8648af0f8496ed234779df wp-block-paragraph\"><em>(\u03a3\u03c7\u03bf\u03bb\u03b9\u03ba\u03cc \u03b2\u03b9\u03b2\u03bb\u03af\u03bf \u039a\u03cd\u03c0\u03c1\u03bf\u03c5)<\/em><\/p>\n\n\n\n<p class=\"has-luminous-vivid-orange-color has-text-color has-link-color wp-elements-cc352ae6dff4c0b04e067598718846ae wp-block-paragraph\"><strong><em>\u0386\u03c3\u03ba\u03b7\u03c3\u03b7 5<\/em><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u039d\u03b1 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