{"id":1245,"date":"2020-11-26T11:37:17","date_gmt":"2020-11-26T08:37:17","guid":{"rendered":"http:\/\/helloege.ru\/?page_id=1245"},"modified":"2021-12-09T15:07:42","modified_gmt":"2021-12-09T12:07:42","slug":"zadanie-4256","status":"publish","type":"page","link":"http:\/\/helloege.ru\/?page_id=1245","title":{"rendered":"\u0417\u0430\u0434\u0430\u043d\u0438\u0435 4256, 4276"},"content":{"rendered":"
\u0412 \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u043e\u043c \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u0435\u043f\u0438\u043f\u0435\u0434\u0435 ABCDA1<\/sub>B1<\/sub>C1<\/sub>D1<\/sub> \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b \u0440\u0451\u0431\u0440\u0430 AB=4, AD=3, AA1<\/sub>=7. \u0422\u043e\u0447\u043a\u0430 O \u043f\u0440\u0438\u043d\u0430\u0434\u043b\u0435\u0436\u0438\u0442 \u0440\u0435\u0431\u0440\u0443 BB1<\/sub> \u0438 \u0434\u0435\u043b\u0438\u0442 \u0435\u0433\u043e \u0432 \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0438 3:4, \u0441\u0447\u0438\u0442\u0430\u044f \u043e\u0442 \u0432\u0435\u0440\u0448\u0438\u043d\u044b B. \u041d\u0430\u0439\u0434\u0438\u0442\u0435 \u043f\u043b\u043e\u0449\u0430\u0434\u044c \u0441\u0435\u0447\u0435\u043d\u0438\u044f \u044d\u0442\u043e\u0433\u043e \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u0435\u043f\u0438\u043f\u0435\u0434\u0430 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u044c\u044e, \u043f\u0440\u043e\u0445\u043e\u0434\u044f\u0449\u0435\u0439 \u0447\u0435\u0440\u0435\u0437 \u0442\u043e\u0447\u043a\u0438 A, O \u0438 C1<\/sub>.<\/p>\n

\u0412 \u043f\u0440\u044f\u043c\u043e\u0443\u0433\u043e\u043b\u044c\u043d\u043e\u043c \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u0435\u043f\u0438\u043f\u0435\u0434\u0435 ABCDA1<\/sub>B1<\/sub>C1<\/sub>D1<\/sub> \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b \u0440\u0451\u0431\u0440\u0430 AB=5, AD=3, AA1<\/sub>=8. \u0422\u043e\u0447\u043a\u0430 R \u043f\u0440\u0438\u043d\u0430\u0434\u043b\u0435\u0436\u0438\u0442 \u0440\u0435\u0431\u0440\u0443 AA1<\/sub> \u0438 \u0434\u0435\u043b\u0438\u0442 \u0435\u0433\u043e \u0432 \u043e\u0442\u043d\u043e\u0448\u0435\u043d\u0438\u0438 3:5, \u0441\u0447\u0438\u0442\u0430\u044f \u043e\u0442 \u0432\u0435\u0440\u0448\u0438\u043d\u044b A. \u041d\u0430\u0439\u0434\u0438\u0442\u0435 \u043f\u043b\u043e\u0449\u0430\u0434\u044c \u0441\u0435\u0447\u0435\u043d\u0438\u044f \u044d\u0442\u043e\u0433\u043e \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u0435\u043f\u0438\u043f\u0435\u0434\u0430 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u044c\u044e, \u043f\u0440\u043e\u0445\u043e\u0434\u044f\u0449\u0435\u0439 \u0447\u0435\u0440\u0435\u0437 \u0442\u043e\u0447\u043a\u0438 B, R \u0438 D1<\/sub>.<\/div><\/div>

\n

\"\u0412<\/div><\/div><\/div>\n

\n

\u041d\u0430\u0439\u0442\u0438 AO \u0438 AE. \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0442\u0438\u043f \u0447\u0435\u0442\u044b\u0440\u0435\u0445\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0430 AOC1<\/sub>E.<\/p>\n

\u041d\u0430\u0439\u0442\u0438 \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u044b \u0432\u0435\u043a\u0442\u043e\u0440\u043e\u0432 \u200b\\( \\overrightarrow{AO} \\)<\/span>\u200b \u0438 \u200b\\( \\overrightarrow{AE} \\)<\/span>\u200b,\u00a0\u200b\\( cos(\\angle{OAE}) \\)<\/span>\u200b.<\/p>\n

\u041d\u0430\u0439\u0442\u0438 \u200b\\( sinA \\)<\/span>\u200b, \u0435\u0441\u043b\u0438 \\( cosA=\\frac{12}{25} \\).<\/span><\/p>\n

\n

\u041e\u0442\u0432\u0435\u0442:\u200b\\( \\sqrt{481} \\)<\/span>\u200b, \u200b\\( \\sqrt{931} \\)<\/span>\u200b.<\/p>\n

 <\/p>\n","protected":false},"excerpt":{"rendered":"

\u041d\u0430\u0439\u0442\u0438 AO \u0438 AE. \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0438\u0442\u044c \u0442\u0438\u043f \u0447\u0435\u0442\u044b\u0440\u0435\u0445\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0430 AOC1E. \u041d\u0430\u0439\u0442\u0438 \u043a\u043e\u043e\u0440\u0434\u0438\u043d\u0430\u0442\u044b \u0432\u0435\u043a\u0442\u043e\u0440\u043e\u0432 \u200b\\( \\overrightarrow{AO} \\)\u200b \u0438 \u200b\\( \\overrightarrow{AE} \\)\u200b,\u00a0\u200b\\( cos(\\angle{OAE}) \\)\u200b. \u041d\u0430\u0439\u0442\u0438 \u200b\\( sinA \\)\u200b, \u0435\u0441\u043b\u0438 \\( cosA=\\frac{12}{25} \\). \u041e\u0442\u0432\u0435\u0442:\u200b\\( \\sqrt{481} \\)\u200b, \u200b\\( \\sqrt{931} \\)\u200b.  <\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"aioseo_notices":[],"_links":{"self":[{"href":"http:\/\/helloege.ru\/index.php?rest_route=\/wp\/v2\/pages\/1245"}],"collection":[{"href":"http:\/\/helloege.ru\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"http:\/\/helloege.ru\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"http:\/\/helloege.ru\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/helloege.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1245"}],"version-history":[{"count":18,"href":"http:\/\/helloege.ru\/index.php?rest_route=\/wp\/v2\/pages\/1245\/revisions"}],"predecessor-version":[{"id":1293,"href":"http:\/\/helloege.ru\/index.php?rest_route=\/wp\/v2\/pages\/1245\/revisions\/1293"}],"wp:attachment":[{"href":"http:\/\/helloege.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1245"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}