{"id":20866,"date":"2026-03-03T18:00:00","date_gmt":"2026-03-03T15:00:00","guid":{"rendered":"http:\/\/blog.tetrika.school\/?p=20866"},"modified":"2026-03-04T10:55:04","modified_gmt":"2026-03-04T07:55:04","slug":"formula-ploshhadi","status":"publish","type":"post","link":"http:\/\/blog.tetrika.school\/formula-ploshhadi\/","title":{"rendered":"\u0424\u043e\u0440\u043c\u0443\u043b\u0430 \u043f\u043b\u043e\u0449\u0430\u0434\u0438"},"content":{"rendered":"\n<p>\u041c\u044b \u0432\u0441\u0442\u0440\u0435\u0447\u0430\u0435\u043c \u043f\u043e\u043d\u044f\u0442\u0438\u0435 \u043f\u043b\u043e\u0449\u0430\u0434\u0438 \u043a\u0430\u0436\u0434\u044b\u0439 \u0434\u0435\u043d\u044c: \u043a\u043e\u0433\u0434\u0430 \u0432\u044b\u0431\u0438\u0440\u0430\u0435\u043c \u0440\u0430\u0437\u043c\u0435\u0440 \u043a\u043e\u043c\u043d\u0430\u0442\u044b, \u043f\u043e\u043a\u0443\u043f\u0430\u0435\u043c \u0442\u043a\u0430\u043d\u044c \u0438\u043b\u0438 \u0440\u0430\u0441\u043a\u043b\u0430\u0434\u044b\u0432\u0430\u0435\u043c \u043c\u0435\u0431\u0435\u043b\u044c. \u0412 5-\u043c \u043a\u043b\u0430\u0441\u0441\u0435 \u0434\u0435\u0442\u0438 \u0443\u0447\u0430\u0442\u0441\u044f \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u0442\u044c \u043f\u043b\u043e\u0449\u0430\u0434\u044c \u0441\u0430\u043c\u044b\u0445 \u043f\u0440\u043e\u0441\u0442\u044b\u0445 \u0444\u0438\u0433\u0443\u0440, \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0430. \u042d\u0442\u043e \u0437\u043d\u0430\u043d\u0438\u0435 \u043f\u0440\u0438\u0433\u043e\u0434\u0438\u0442\u0441\u044f \u0438\u043c \u0438 \u0432 \u0443\u0447\u0451\u0431\u0435, \u0438 \u0432 \u0436\u0438\u0437\u043d\u0438. \u0410 \u044d\u0442\u0430 \u0441\u0442\u0430\u0442\u044c\u044f \u043f\u043e\u043c\u043e\u0436\u0435\u0442 \u0432\u0430\u043c \u0438 \u0432\u0430\u0448\u0435\u043c\u0443 \u0440\u0435\u0431\u0451\u043d\u043a\u0443 \u0438\u0437\u0443\u0447\u0438\u0442\u044c \u0444\u043e\u0440\u043c\u0443\u043b\u0443 \u043f\u043b\u043e\u0449\u0430\u0434\u0438.<\/p>\n\n\n\n<ul class=\"wp-block-list post-sidebar__toc-list\">\n<li><a href=\"#\u043f\u043e\u043d\u044f\u0442\u0438\u0435\">\u041f\u043e\u043d\u044f\u0442\u0438\u0435 \u043f\u043b\u043e\u0449\u0430\u0434\u0438 \u0444\u0438\u0433\u0443\u0440\u044b<\/a><\/li>\n\n\n\n<li><a href=\"#\u0435\u0434\u0438\u043d\u0438\u0446\u044b\">\u0415\u0434\u0438\u043d\u0438\u0446\u044b \u0438\u0437\u043c\u0435\u0440\u0435\u043d\u0438\u044f \u043f\u043b\u043e\u0449\u0430\u0434\u0438<\/a><\/li>\n\n\n\n<li><a href=\"#\u0444\u043e\u0440\u043c\u0443\u043b\u0430-\u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\">\u0424\u043e\u0440\u043c\u0443\u043b\u0430 \u043f\u043b\u043e\u0449\u0430\u0434\u0438 \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0430<\/a><\/li>\n\n\n\n<li><a href=\"#\u0444\u043e\u0440\u043c\u0443\u043b\u0430-\u043a\u0432\u0430\u0434\u0440\u0430\u0442\">\u0424\u043e\u0440\u043c\u0443\u043b\u0430 \u043f\u043b\u043e\u0449\u0430\u0434\u0438 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0430<\/a><\/li>\n\n\n\n<li><a href=\"#\u0443\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u0435\">\u0423\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u0441\u0430\u043c\u043e\u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438<\/a><\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><a href=\"https:\/\/tetrika-school.ru\/blog\/category\/textbooks\/\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"261\" src=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/02\/70d62d06-059d-427c-a616-7204783fc77f-14.webp\" alt=\"\" class=\"wp-image-20867\" style=\"width:815px;height:auto\" srcset=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/02\/70d62d06-059d-427c-a616-7204783fc77f-14.webp 1024w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/02\/70d62d06-059d-427c-a616-7204783fc77f-14-300x76.webp 300w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/02\/70d62d06-059d-427c-a616-7204783fc77f-14-768x196.webp 768w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/02\/70d62d06-059d-427c-a616-7204783fc77f-14-800x204.webp 800w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/02\/70d62d06-059d-427c-a616-7204783fc77f-14-559x142.webp 559w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/02\/70d62d06-059d-427c-a616-7204783fc77f-14-440x112.webp 440w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u043f\u043e\u043d\u044f\u0442\u0438\u0435\">\u041f\u043e\u043d\u044f\u0442\u0438\u0435 \u043f\u043b\u043e\u0449\u0430\u0434\u0438 \u0444\u0438\u0433\u0443\u0440\u044b<\/h2>\n\n\n\n<div style=\"color:#32373c;background-color:#7941b6\" class=\"wp-block-atomic-blocks-ab-notice ab-font-size-18 ab-block-notice\" data-id=\"5e5432\"><div class=\"ab-notice-text\" style=\"border-color:#7941b6\"><p><strong>\u041f\u043b\u043e\u0449\u0430\u0434\u044c<\/strong> \u2014 \u044d\u0442\u043e \u043c\u0435\u0440\u0430, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u043e\u043a\u0430\u0437\u044b\u0432\u0430\u0435\u0442, \u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043c\u0435\u0441\u0442\u0430 \u0437\u0430\u043d\u0438\u043c\u0430\u0435\u0442 \u0444\u0438\u0433\u0443\u0440\u0430 \u043d\u0430 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438. \u041f\u0440\u043e\u0449\u0435 \u0433\u043e\u0432\u043e\u0440\u044f, \u044d\u0442\u043e \u0447\u0438\u0441\u043b\u043e \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u043a\u043e\u0432 1\u00d71, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043d\u0443\u0436\u043d\u043e \u043f\u043e\u043b\u043e\u0436\u0438\u0442\u044c, \u0447\u0442\u043e\u0431\u044b \u0437\u0430\u043a\u0440\u044b\u0442\u044c \u0432\u0441\u044e \u0444\u0438\u0433\u0443\u0440\u0443.<\/p><\/div><\/div>\n\n\n\n<p>\u041f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u044c\u0442\u0435, \u0447\u0442\u043e \u0443 \u0432\u0430\u0441 \u0435\u0441\u0442\u044c \u0444\u0438\u0433\u0443\u0440\u0430.&nbsp;\u0415\u0441\u043b\u0438 \u043d\u0430 \u043d\u0435\u0439 \u043f\u043e\u043c\u0435\u0449\u0430\u0435\u0442\u0441\u044f 12 \u043c\u0430\u043b\u0435\u043d\u044c\u043a\u0438\u0445 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0438\u043a\u043e\u0432, \u0442\u043e \u0435\u0451 \u043f\u043b\u043e\u0449\u0430\u0434\u044c = 12 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u043d\u044b\u0445 \u0435\u0434\u0438\u043d\u0438\u0446.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"905\" height=\"511\" src=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/02\/1-4.webp\" alt=\"\" class=\"wp-image-21466\" style=\"width:519px;height:auto\" srcset=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/02\/1-4.webp 905w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/02\/1-4-300x169.webp 300w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/02\/1-4-768x434.webp 768w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/02\/1-4-800x452.webp 800w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/02\/1-4-439x248.webp 439w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/02\/1-4-440x248.webp 440w\" sizes=\"auto, (max-width: 905px) 100vw, 905px\" \/><\/figure>\n\n\n\n<p>\u041d\u0430 <em>\u0420\u0438\u0441\u0443\u043d\u043a\u0435 1<\/em> \u0438\u0437\u043e\u0431\u0440\u0430\u0436\u0435\u043d\u044b \u0434\u0432\u0435 \u0444\u0438\u0433\u0443\u0440\u044b <strong>\u0410<\/strong> \u0438 <strong>\u0412<\/strong>. \u041f\u043b\u043e\u0449\u0430\u0434\u044c \u0444\u0438\u0433\u0443\u0440\u044b <strong>\u0410<\/strong> \u0440\u0430\u0432\u043d\u0430 12. \u041f\u043b\u043e\u0449\u0430\u0434\u044c \u0444\u0438\u0433\u0443\u0440\u044b <strong>\u0412<\/strong>, \u044f\u0432\u043b\u044f\u044e\u0449\u0435\u0439\u0441\u044f \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u043e\u043c, \u0442\u043e\u0436\u0435 \u0440\u0430\u0432\u043d\u0430 12.<\/p>\n\n\n\n<p>\u0423\u043c\u0435\u043d\u0438\u0435 \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u0442\u044c \u043f\u043b\u043e\u0449\u0430\u0434\u044c \u043d\u0443\u0436\u043d\u043e \u0432 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0436\u0438\u0437\u043d\u0435\u043d\u043d\u044b\u0445 \u0441\u0438\u0442\u0443\u0430\u0446\u0438\u044f\u0445, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u0443\u0437\u043d\u0430\u0442\u044c \u0440\u0430\u0437\u043c\u0435\u0440 \u043a\u043e\u043c\u043d\u0430\u0442\u044b \u0434\u043b\u044f \u043f\u043e\u043a\u0443\u043f\u043a\u0438 \u043a\u043e\u0432\u0440\u0430;<\/li>\n<li> \u043f\u043e\u0441\u0447\u0438\u0442\u0430\u0442\u044c, \u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043a\u0440\u0430\u0441\u043a\u0438 \u043d\u0443\u0436\u043d\u043e \u0434\u043b\u044f \u0441\u0442\u0435\u043d\u044b;<\/li>\n<li> \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0440\u0430\u0437\u043c\u0435\u0440 \u0442\u043a\u0430\u043d\u0438 \u0434\u043b\u044f \u0448\u0442\u043e\u0440.\n<\/li><\/ol>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u0435\u0434\u0438\u043d\u0438\u0446\u044b\">\u0415\u0434\u0438\u043d\u0438\u0446\u044b \u0438\u0437\u043c\u0435\u0440\u0435\u043d\u0438\u044f \u043f\u043b\u043e\u0449\u0430\u0434\u0438<\/h2>\n\n\n\n<p>\u041f\u043b\u043e\u0449\u0430\u0434\u044c \u0438\u0437\u043c\u0435\u0440\u044f\u0435\u0442\u0441\u044f \u0432 <strong>\u043a\u0432\u0430\u0434\u0440\u0430\u0442\u043d\u044b\u0445 \u0435\u0434\u0438\u043d\u0438\u0446\u0430\u0445<\/strong>:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"747\" height=\"370\" src=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/03\/2.webp\" alt=\"\u0444\u043e\u0440\u043c\u0443\u043b\u0430 \u043f\u043b\u043e\u0449\u0430\u0434\u0438\" class=\"wp-image-21467\" style=\"width:554px;height:auto\" srcset=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/03\/2.webp 747w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/03\/2-300x149.webp 300w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/03\/2-501x248.webp 501w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/03\/2-440x218.webp 440w\" sizes=\"auto, (max-width: 747px) 100vw, 747px\" \/><\/figure>\n\n\n\n<p>\u041a\u0432\u0430\u0434\u0440\u0430\u0442\u043d\u0430\u044f \u0435\u0434\u0438\u043d\u0438\u0446\u0430 \u2014 \u044d\u0442\u043e \u043a\u0432\u0430\u0434\u0440\u0430\u0442 \u0441 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u043e\u0439 \u0434\u043b\u0438\u043d\u043d\u043e\u0439 \u0441\u0442\u043e\u0440\u043e\u043d\u044b.&nbsp;<\/p>\n\n\n\n<p><em>\u041a\u0432\u0430\u0434\u0440\u0430\u0442<\/em><strong><em> <\/em><\/strong>\u2014 \u044d\u0442\u043e \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a, \u0443 \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0432\u0441\u0435 \u0441\u0442\u043e\u0440\u043e\u043d\u044b \u0440\u0430\u0432\u043d\u044b.&nbsp;<\/p>\n\n\n\n<p>\u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, 1 \u0441\u043c<sup>2<\/sup> \u2014 \u044d\u0442\u043e \u043a\u0432\u0430\u0434\u0440\u0430\u0442 \u0441\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u043e\u0439 1 \u0441\u043c; 1 \u043c<sup>2<\/sup> \u2014 \u044d\u0442\u043e \u043a\u0432\u0430\u0434\u0440\u0430\u0442 \u0441\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u043e\u0439 1 \u043c \u0438 \u0442. \u0434.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u0444\u043e\u0440\u043c\u0443\u043b\u0430-\u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\">\u0424\u043e\u0440\u043c\u0443\u043b\u0430 \u043f\u043b\u043e\u0449\u0430\u0434\u0438 \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0430<\/h2>\n\n\n\n<p>\u041f\u043b\u043e\u0449\u0430\u0434\u044c \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0430 \u0432\u044b\u0447\u0438\u0441\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u043e \u0444\u043e\u0440\u043c\u0443\u043b\u0435:<\/p>\n\n\n\n<p class=\"has-text-align-center\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">S=a\u22c5b<\/mark><\/strong><\/p>\n\n\n\n<p>\u0433\u0434\u0435:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> S \u2014 \u043f\u043b\u043e\u0449\u0430\u0434\u044c \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0430;<\/li>\n<li> a \u2014 \u0434\u043b\u0438\u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u044b (\u0434\u043b\u0438\u043d\u0430);<\/li>\n<li> b \u2014 \u0448\u0438\u0440\u0438\u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u044b.\n<\/li><\/ol>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"520\" height=\"295\" src=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/03\/3.webp\" alt=\"\u0444\u043e\u0440\u043c\u0443\u043b\u0430 \u043f\u043b\u043e\u0449\u0430\u0434\u0438\" class=\"wp-image-21468\" style=\"width:406px;height:auto\" srcset=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/03\/3.webp 520w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/03\/3-300x170.webp 300w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/03\/3-437x248.webp 437w\" sizes=\"auto, (max-width: 520px) 100vw, 520px\" \/><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\u041f\u0440\u0438\u043c\u0435\u0440 \u2935<\/h4>\n\n\n\n<p>\u041f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a \u0438\u043c\u0435\u0435\u0442 \u0434\u043b\u0438\u043d\u0443, \u0440\u0430\u0432\u043d\u0443\u044e 4 \u0441\u043c,&nbsp; \u0438 \u0448\u0438\u0440\u0438\u043d\u0443, \u0440\u0430\u0432\u043d\u0443\u044e 6 \u0441\u043c. \u041d\u0430\u0439\u0434\u0438\u0442\u0435 \u0435\u0433\u043e \u043f\u043b\u043e\u0449\u0430\u0434\u044c.<\/p>\n\n\n\n<p><strong>\u0420\u0435\u0448\u0435\u043d\u0438\u0435:<\/strong><\/p>\n\n\n\n<p>S = 4 \u00d7 6 = 24 (\u0441\u043c\u00b2)<\/p>\n\n\n\n<p>\u041e\u0442\u0432\u0435\u0442: 24 \u0441\u043c\u00b2.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u0444\u043e\u0440\u043c\u0443\u043b\u0430-\u043a\u0432\u0430\u0434\u0440\u0430\u0442\">\u0424\u043e\u0440\u043c\u0443\u043b\u0430 \u043f\u043b\u043e\u0449\u0430\u0434\u0438 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0430<\/h2>\n\n\n\n<p>\u041a\u0432\u0430\u0434\u0440\u0430\u0442 \u2014 \u044d\u0442\u043e \u0447\u0430\u0441\u0442\u043d\u044b\u0439 \u0441\u043b\u0443\u0447\u0430\u0439 \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0430. \u0422\u043e \u0435\u0441\u0442\u044c \u043a\u0432\u0430\u0434\u0440\u0430\u0442 \u044d\u0442\u043e \u0442\u043e\u0436\u0435 \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a, \u043d\u043e \u043d\u0435 \u043b\u044e\u0431\u043e\u0439.&nbsp;<\/p>\n\n\n\n<p>\u0423 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0430 \u0434\u043b\u0438\u043d\u0430 \u0440\u0430\u0432\u043d\u0430 \u0435\u0433\u043e \u0448\u0438\u0440\u0438\u043d\u0435, \u0437\u043d\u0430\u0447\u0438\u0442 \u043f\u043b\u043e\u0449\u0430\u0434\u044c \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0430 = \u0441\u0442\u043e\u0440\u043e\u043d\u0430 \u00d7 \u0441\u0442\u043e\u0440\u043e\u043d\u0430.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"295\" height=\"295\" src=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/03\/4.webp\" alt=\"\u0444\u043e\u0440\u043c\u0443\u043b\u0430 \u043f\u043b\u043e\u0449\u0430\u0434\u0438\" class=\"wp-image-21470\" srcset=\"http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/03\/4.webp 295w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/03\/4-150x150.webp 150w, http:\/\/blog.tetrika.school\/wp-content\/uploads\/2026\/03\/4-248x248.webp 248w\" sizes=\"auto, (max-width: 295px) 100vw, 295px\" \/><\/figure>\n\n\n\n<p><strong>\u0424\u043e\u0440\u043c\u0443\u043b\u0443 \u043f\u043b\u043e\u0449\u0430\u0434\u0438 \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0430<\/strong> \u043c\u043e\u0436\u043d\u043e \u0437\u0430\u043f\u0438\u0441\u0430\u0442\u044c \u0442\u0430\u043a:<\/p>\n\n\n\n<p class=\"has-text-align-center\"><strong><mark style=\"background-color:rgba(0, 0, 0, 0)\" class=\"has-inline-color has-vivid-purple-color\">S=a<sup>2<\/sup><\/mark><\/strong><\/p>\n\n\n\n<p>\u0433\u0434\u0435 <em>a<\/em> \u2014 \u0434\u043b\u0438\u043d\u0430 \u0441\u0442\u043e\u0440\u043e\u043d\u044b \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0430.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\u041f\u0440\u0438\u043c\u0435\u0440 \u2935<\/h4>\n\n\n\n<p>\u041d\u0430\u0439\u0434\u0438\u0442\u0435 \u043f\u043b\u043e\u0449\u0430\u0434\u044c \u043a\u0432\u0430\u0434\u0440\u0430\u0442\u0430 \u0441\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u043e\u0439 5 \u0441\u043c.<\/p>\n\n\n\n<p><strong>\u0420\u0435\u0448\u0435\u043d\u0438\u0435:<\/strong><\/p>\n\n\n\n<p>S = 5 \u00d7 5 = 25 (\u0441\u043c\u00b2) \u0438\u043b\u0438 S = 5\u00b2 = 25 (\u0441\u043c\u00b2).<\/p>\n\n\n\n<p>\u041e\u0442\u0432\u0435\u0442: 25 \u0441\u043c<sup>2<\/sup>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u0443\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u0435\"><strong>\ud83d\udcdd<\/strong> \u0423\u043f\u0440\u0430\u0436\u043d\u0435\u043d\u0438\u0435 \u0434\u043b\u044f \u0441\u0430\u043c\u043e\u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0438<\/h2>\n\n\n\n<p><strong>\u0417\u0430\u0434\u0430\u043d\u0438\u0435:<\/strong> \u043d\u0430\u0439\u0434\u0438\u0442\u0435 \u043f\u043b\u043e\u0449\u0430\u0434\u044c \u043a\u043e\u0432\u0440\u0430 \u0440\u0430\u0437\u043c\u0435\u0440\u043e\u043c 3 \u043c \u00d7 5 \u043c.<\/p>\n\n\n\n<p><strong>\u0420\u0435\u0448\u0435\u043d\u0438\u0435 \u2935<\/strong><\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary><em>\u0420\u0430\u0441\u043a\u0440\u043e\u0439\u0442\u0435, \u0447\u0442\u043e\u0431\u044b \u0443\u0432\u0438\u0434\u0435\u0442\u044c&#8230;<\/em><\/summary>\n<p>S = 3 \u00d7 5 = 15 (\u043c\u00b2)<br>\u041e\u0442\u0432\u0435\u0442: \u043f\u043b\u043e\u0449\u0430\u0434\u044c \u043a\u043e\u0432\u0440\u0430 \u0440\u0430\u0432\u043d\u0430 15 \u043c<sup>2<\/sup><\/p>\n<\/details>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p>\u041f\u043b\u043e\u0449\u0430\u0434\u044c \u2014 \u043f\u0440\u043e\u0441\u0442\u043e\u0435 \u0438 \u043e\u0447\u0435\u043d\u044c \u043f\u043e\u043b\u0435\u0437\u043d\u043e\u0435 \u043f\u043e\u043d\u044f\u0442\u0438\u0435. \u0413\u043b\u0430\u0432\u043d\u043e\u0435 \u0437\u0430\u043f\u043e\u043c\u043d\u0438\u0442\u044c:<\/p>\n\n\n\n<ol style=\"list-style: initial !important\">\n<li> \u0424\u043e\u0440\u043c\u0443\u043b\u0430 \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0430: S = \u0434\u043b\u0438\u043d\u0430 \u00d7 \u0448\u0438\u0440\u0438\u043d\u0430.<\/li>\n<li> \u0415\u0434\u0438\u043d\u0438\u0446\u044b: \u043c\u043c\u00b2, \u0441\u043c\u00b2, \u043c\u00b2, \u0434\u043c\u00b2, \u043c\u00b2.<\/li>\n<li> 1 \u043c\u00b2 = 10 000 \u0441\u043c\u00b2.\n<\/li><\/ol>\n\n\n\n<p>\u0422\u0435\u043f\u0435\u0440\u044c \u0440\u0435\u0431\u0451\u043d\u043e\u043a \u0441\u043c\u043e\u0436\u0435\u0442 \u043f\u043e\u0441\u0447\u0438\u0442\u0430\u0442\u044c \u043f\u043b\u043e\u0449\u0430\u0434\u044c \u043b\u044e\u0431\u043e\u0433\u043e \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0430 \u2014 \u043e\u0442 \u043f\u043e\u043b\u0430 \u0438\u043b\u0438 \u0441\u0442\u0435\u043d\u044b \u043a\u043e\u043c\u043d\u0430\u0442\u044b \u0434\u043e \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u044b \u0432 \u0441\u0432\u043e\u0435\u0439 \u0442\u0435\u0442\u0440\u0430\u0434\u0438.<\/p>\n\n\n\n<div style=\"color:#32373c;background-color:#7941b6\" class=\"wp-block-atomic-blocks-ab-notice ab-font-size-18 ab-block-notice\" data-id=\"5e5432\"><div class=\"ab-notice-text\" style=\"border-color:#7941b6\"><p>\u0415\u0441\u043b\u0438 \u0432\u043e\u0437\u043d\u0438\u043a\u0430\u044e\u0442 \u0442\u0440\u0443\u0434\u043d\u043e\u0441\u0442\u0438 \u0441 \u043f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u0435\u043c \u0442\u0435\u043c\u044b, \u0432\u043e\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0439\u0442\u0435\u0441\u044c \u043c\u0430\u0442\u0435\u0440\u0438\u0430\u043b\u0430\u043c\u0438 \u0441\u0442\u0430\u0442\u044c\u0438 \u0438\u043b\u0438 \u043e\u0431\u0440\u0430\u0442\u0438\u0442\u0435\u0441\u044c \u0437\u0430 \u0434\u043e\u043f\u043e\u043b\u043d\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0439 \u043f\u043e\u043c\u043e\u0449\u044c\u044e \u043a \u0440\u0435\u043f\u0435\u0442\u0438\u0442\u043e\u0440\u0430\u043c \u043d\u0430\u0448\u0435\u0439 \u043e\u043d\u043b\u0430\u0439\u043d-\u0448\u043a\u043e\u043b\u044b. \u041f\u0435\u0440\u0432\u044b\u0439 \u0443\u0440\u043e\u043a \u2014 \u0431\u0435\u0441\u043f\u043b\u0430\u0442\u043d\u044b\u0439 \ud83d\udc9c<\/p><\/div><\/div>\n\n\n<div class=\"post-item__content-cta\">\n    <svg class=\"post-item__content-cta-decor post-item__content-cta-decor-circle\" width=\"71\" height=\"71\"\n         viewBox=\"0 0 71 71\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n        <circle opacity=\"0.1\" cx=\"35.5\" cy=\"35.5\" r=\"35.5\" fill=\"white\"\/>\n    <\/svg>\n\n    <svg class=\"post-item__content-cta-decor post-item__content-cta-decor-big\" width=\"479\" height=\"346\"\n         viewBox=\"0 0 479 346\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\">\n        <path opacity=\"0.2\"\n              d=\"M19.7236 345.522C16.7136 345.319 13.6925 344.386 10.8783 342.641C1.31626 336.702 -2.2368 323.66 2.96125 313.559C5.59279 308.444 8.19282 303.36 10.7936 298.243C42.2284 236.493 74.7666 172.634 143.026 140.598C195.358 116.053 259.397 114.727 322.448 136.159C327.998 124.427 333.718 113.236 339.113 102.685C368.329 45.581 408.213 10.303 454.476 0.729135C465.091 -1.49708 475.686 6.06692 478.08 17.6081C480.474 29.1493 473.833 40.2779 463.188 42.4691C419.183 51.6003 390.301 91.9223 373.823 124.152C369.241 133.104 364.529 142.313 359.964 151.762C389.233 166.246 449.807 201.833 456.356 250.671C458.709 268.23 454.952 294.373 423.691 319.186C412.023 328.453 381.332 349.302 348.462 342.745C331.17 339.294 316.443 328.671 305.819 312.009C296.729 297.765 291.837 279.638 291.221 258.161C290.386 228.895 296.809 200.881 306.196 174.788C254.088 158.297 202.046 159.773 159.781 179.607C103.335 206.09 75.2499 261.22 45.5382 319.58C42.9057 324.728 40.2722 329.909 37.6398 335.057C33.9688 342.185 26.9116 345.975 19.7245 345.489L19.7236 345.522ZM343.606 189.789C335.462 212.03 330.067 235.052 330.696 258.316C331.049 271.34 333.57 281.6 338.144 288.79C342.6 295.773 347.757 299.661 354.398 300.971C366.579 303.415 383.889 297.143 399.582 284.675C412.571 274.372 418.532 264.488 417.305 255.308C414.771 236.48 384.24 209.54 343.576 189.754L343.606 189.789Z\"\n              fill=\"white\"\/>\n    <\/svg>\n\n    <div class=\"post-item__content-cta-content\">\n        <div class=\"content-cta__title\">\n            \u0412\u043b\u044e\u0431\u043b\u044f\u0435\u043c \u0432 \u043e\u0431\u0443\u0447\u0435\u043d\u0438\u0435 \u043d\u0430 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