{"id":1492,"date":"2024-12-31T21:45:37","date_gmt":"2024-12-31T18:45:37","guid":{"rendered":"https:\/\/currconv.ru\/blog\/3579-2\/"},"modified":"2024-12-31T21:45:37","modified_gmt":"2024-12-31T18:45:37","slug":"3579","status":"publish","type":"post","link":"https:\/\/currconv.ru\/blog\/3579\/","title":{"rendered":"\u041f\u0440\u0438\u043c\u0435\u0440 \u21165 \u0438\u0437 \u0437\u0430\u0434\u0430\u043d\u0438\u044f 12"},"content":{"rendered":"<div class=\"fpm_start\"><\/div>\n<p>\u0412 \u0440\u043e\u043c\u0431\u0435 <span class=\"katex-eq\" data-katex-display=\"false\">ABCD<\/span> \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e, \u0447\u0442\u043e <span class=\"katex-eq\" data-katex-display=\"false\">AB = 5<\/span>, <span class=\"katex-eq\" data-katex-display=\"false\">BD = 2\\sqrt{21}<\/span> . \u041d\u0430\u0439\u0434\u0438\u0442\u0435 \u0441\u0438\u043d\u0443\u0441 \u0443\u0433\u043b\u0430 <span class=\"katex-eq\" data-katex-display=\"false\">ABD<\/span>.<\/p>\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"193\" height=\"126\" src=\"https:\/\/currconv.ru\/blog\/wp-content\/uploads\/2022\/11\/image-105.png\" alt=\"\" class=\"wp-image-3580\"\/><\/figure>\n<p><span id=\"more-3579\"><\/span><\/p>\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n<h2 class=\"has-text-align-center has-medium-font-size wp-block-heading\"><strong>\u0420\u0435\u0448\u0435\u043d\u0438\u0435<\/strong><\/h2>\n<p>\u041c\u044b \u0437\u043d\u0430\u0435\u043c, \u0447\u0442\u043e \u0434\u0438\u0430\u0433\u043e\u043d\u0430\u043b\u0438 \u0440\u043e\u043c\u0431\u0430 \u0442\u043e\u0447\u043a\u043e\u0439 \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f \u0434\u0435\u043b\u044f\u0442\u0441\u044f \u043f\u043e\u043f\u043e\u043b\u0430\u043c, \u0437\u043d\u0430\u0447\u0438\u0442 <span class=\"katex-eq\" data-katex-display=\"false\">BO=2\\sqrt{21}\\div 2=\\sqrt{21}<\/span>.<\/p>\n<p>\u041d\u0430\u0439\u0434\u0435\u043c \u043a\u043e\u0441\u0438\u043d\u0443\u0441 \u0443\u0433\u043b\u0430 <span class=\"katex-eq\" data-katex-display=\"false\">ABD<\/span> (\u043a\u043e\u0441\u0438\u043d\u0443\u0441 &#8211; \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u043b\u0435\u0436\u0430\u0449\u0435\u0433\u043e \u043a\u0430\u0442\u0435\u0442\u0430 \u043a \u0433\u0438\u043f\u043e\u0442\u0435\u043d\u0443\u0437\u0435) \u0438\u0437 \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u043e\u0433\u043e \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0430 <span class=\"katex-eq\" data-katex-display=\"false\">ABO<\/span>:<\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"true\">\\displaystyle cosABD=\\frac{BO}{AB}=\\frac{\\sqrt{21}}{5}<\/span>.<\/p>\n<p>\u0414\u043b\u044f \u043d\u0430\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u0441\u0438\u043d\u0443\u0441\u0430 \u0443\u0433\u043b\u0430 <span class=\"katex-eq\" data-katex-display=\"false\">ABD<\/span> \u0432\u043e\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u0441\u044f \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u043c \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0442\u043e\u0436\u0434\u0435\u0441\u0442\u0432\u043e\u043c <span class=\"katex-eq\" data-katex-display=\"false\">sin^2x+cos^2x=1<\/span>.<\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"true\">\\displaystyle sin^2 ABD+\\left(\\frac{\\sqrt{21}}{5}\\right)^2=1;<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"true\">\\displaystyle sin^2 ABD=1-\\frac{21}{25};<\/span><\/p>\n<p><span class=\"katex-eq\" data-katex-display=\"true\">sin ABD=0,4<\/span>.<\/p>\n<p><strong>\u041e\u0442\u0432\u0435\u0442: <\/strong><span class=\"katex-eq\" data-katex-display=\"false\">0,4<\/span>.<\/p>\n<p><script data-noptimize=\"\" data-wpfc-render=\"false\">\nfpm_start( \"true\" );\n<\/script><\/p>\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n<p><strong><strong><strong><strong><strong><strong>\u0418\u0441\u0442\u043e\u0447\u043d\u0438\u043a:<\/strong><\/strong><\/strong><\/strong>  <\/strong><\/strong>\u0415\u0413\u042d 2023 \u041c\u0430\u0442\u0435\u043c\u0430\u0442\u0438\u043a\u0430. \u0411\u0430\u0437\u043e\u0432\u044b\u0439 \u0443\u0440\u043e\u0432\u0435\u043d\u044c. \u0422\u0438\u043f\u043e\u0432\u044b\u0435 \u044d\u043a\u0437\u0430\u043c\u0435\u043d\u0430\u0446\u0438\u043e\u043d\u043d\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b. 30 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u043e\u0432 (\u0432\u0430\u0440\u0438\u0430\u043d\u0442 6) (<a href=\"https:\/\/my-shop.ru\/shop\/product\/4905385.html?partner=9541\" target=\"_blank\" rel=\"noreferrer noopener\">\u041a\u0443\u043f\u0438\u0442\u044c \u043a\u043d\u0438\u0433\u0443<\/a>)<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0412 \u0440\u043e\u043c\u0431\u0435 ABCD \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e, \u0447\u0442\u043e AB = 5, BD = 2\\sqrt{21} . \u041d\u0430\u0439\u0434\u0438\u0442\u0435 \u0441\u0438\u043d\u0443\u0441 \u0443\u0433\u043b\u0430 ABD. \u0420\u0435\u0448\u0435\u043d\u0438\u0435 \u041c\u044b \u0437\u043d\u0430\u0435\u043c, \u0447\u0442\u043e \u0434\u0438\u0430\u0433\u043e\u043d\u0430\u043b\u0438 \u0440\u043e\u043c\u0431\u0430 \u0442\u043e\u0447\u043a\u043e\u0439 \u043f\u0435\u0440\u0435\u0441\u0435\u0447\u0435\u043d\u0438\u044f \u0434\u0435\u043b\u044f\u0442\u0441\u044f \u043f\u043e\u043f\u043e\u043b\u0430\u043c, \u0437\u043d\u0430\u0447\u0438\u0442 BO=2\\sqrt{21}\\div 2=\\sqrt{21}. \u041d\u0430\u0439\u0434\u0435\u043c \u043a\u043e\u0441\u0438\u043d\u0443\u0441 \u0443\u0433\u043b\u0430 ABD (\u043a\u043e\u0441\u0438\u043d\u0443\u0441 &#8211; \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0435 \u043f\u0440\u0438\u043b\u0435\u0436\u0430\u0449\u0435\u0433\u043e \u043a\u0430\u0442\u0435\u0442\u0430 \u043a \u0433\u0438\u043f\u043e\u0442\u0435\u043d\u0443\u0437\u0435) \u0438\u0437 \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u043e\u0433\u043e \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0430 ABO: \\displaystyle cosABD=\\frac{BO}{AB}=\\frac{\\sqrt{21}}{5}. \u0414\u043b\u044f \u043d\u0430\u0445\u043e\u0436\u0434\u0435\u043d\u0438\u044f \u0441\u0438\u043d\u0443\u0441\u0430 \u0443\u0433\u043b\u0430 ABD \u0432\u043e\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u0441\u044f \u043e\u0441\u043d\u043e\u0432\u043d\u044b\u043c \u0442\u0440\u0438\u0433\u043e\u043d\u043e\u043c\u0435\u0442\u0440\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u0442\u043e\u0436\u0434\u0435\u0441\u0442\u0432\u043e\u043c [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[44],"tags":[],"class_list":["post-1492","post","type-post","status-publish","format-standard","hentry","category-zadanie12_baza"],"_links":{"self":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/posts\/1492","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/comments?post=1492"}],"version-history":[{"count":0,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/posts\/1492\/revisions"}],"wp:attachment":[{"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/media?parent=1492"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/categories?post=1492"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/currconv.ru\/blog\/wp-json\/wp\/v2\/tags?post=1492"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}