{"id":1598,"date":"2020-12-08T13:41:57","date_gmt":"2020-12-08T10:41:57","guid":{"rendered":"http:\/\/helloege.ru\/?page_id=1598"},"modified":"2021-12-09T15:10:32","modified_gmt":"2021-12-09T12:10:32","slug":"zadanie-4910","status":"publish","type":"page","link":"http:\/\/helloege.ru\/?page_id=1598","title":{"rendered":"\u0417\u0430\u0434\u0430\u043d\u0438\u0435 4910"},"content":{"rendered":"<p style=\"font-weight: 400;\"><div class=\"su-row\"><div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\u0412 \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0439 \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u043e\u0439 \u043f\u0438\u0440\u0430\u043c\u0438\u0434\u0435 <span data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;semantics&gt;&lt;mrow&gt;&lt;mi&gt;S&lt;\/mi&gt;&lt;mi&gt;A&lt;\/mi&gt;&lt;mi&gt;B&lt;\/mi&gt;&lt;mi&gt;C&lt;\/mi&gt;&lt;\/mrow&gt;&lt;\/semantics&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\">SABC<\/span>\u00a0\u0441\u0442\u043e\u0440\u043e\u043d\u0430\u00a0<span data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;semantics&gt;&lt;mrow&gt;&lt;mi&gt;A&lt;\/mi&gt;&lt;mi&gt;B&lt;\/mi&gt;&lt;\/mrow&gt;&lt;\/semantics&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\">AB<\/span>\u00a0\u043e\u0441\u043d\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0430\u0432\u043d\u0430 12, \u0430 \u0432\u044b\u0441\u043e\u0442\u0430 \u043f\u0438\u0440\u0430\u043c\u0438\u0434\u044b \u0440\u0430\u0432\u043d\u0430 1. \u041d\u0430 \u0440\u0451\u0431\u0440\u0430\u0445\u00a0<span data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;semantics&gt;&lt;mrow&gt;&lt;mi&gt;A&lt;\/mi&gt;&lt;mi&gt;B&lt;\/mi&gt;&lt;\/mrow&gt;&lt;\/semantics&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\">AB<\/span>,\u00a0<span data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;semantics&gt;&lt;mrow&gt;&lt;mi&gt;A&lt;\/mi&gt;&lt;mi&gt;C&lt;\/mi&gt;&lt;\/mrow&gt;&lt;\/semantics&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\">AC<\/span>\u00a0\u0438\u00a0<span data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;semantics&gt;&lt;mrow&gt;&lt;mi&gt;A&lt;\/mi&gt;&lt;mi&gt;S&lt;\/mi&gt;&lt;\/mrow&gt;&lt;\/semantics&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\">AS<\/span>\u00a0\u043e\u0442\u043c\u0435\u0447\u0435\u043d\u044b \u0442\u043e\u0447\u043a\u0438\u00a0<span data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;semantics&gt;&lt;mi&gt;M&lt;\/mi&gt;&lt;\/semantics&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\">M<\/span>,\u00a0<span data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;semantics&gt;&lt;mi&gt;N&lt;\/mi&gt;&lt;\/semantics&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\">N<\/span>\u00a0\u0438\u00a0<span data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;semantics&gt;&lt;mi&gt;K&lt;\/mi&gt;&lt;\/semantics&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\">K<\/span>\u00a0\u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e, \u043f\u0440\u0438\u0447\u0451\u043c\u00a0<span data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;semantics&gt;&lt;mrow&gt;&lt;mi&gt;A&lt;\/mi&gt;&lt;mi&gt;M&lt;\/mi&gt;&lt;mo&gt;=&lt;\/mo&gt;&lt;mi&gt;A&lt;\/mi&gt;&lt;mi&gt;N&lt;\/mi&gt;&lt;mo&gt;=&lt;\/mo&gt;&lt;mn&gt;3&lt;\/mn&gt;&lt;\/mrow&gt;&lt;\/semantics&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\">AM=AN=3<\/span>\u00a0\u0438\u00a0<span data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;semantics&gt;&lt;mrow&gt;&lt;mi&gt;A&lt;\/mi&gt;&lt;mi&gt;K&lt;\/mi&gt;&lt;mo&gt;=&lt;\/mo&gt;&lt;mfrac&gt;&lt;mn&gt;7&lt;\/mn&gt;&lt;mn&gt;4&lt;\/mn&gt;&lt;\/mfrac&gt;&lt;\/mrow&gt;&lt;\/semantics&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\">AK=\u200b<span class=\"math inherit-color \">\\( \\frac{7}{4} \\)<\/span>\u200b<\/span>.<\/p>\n<p style=\"font-weight: 400;\">\u0430)\u00a0\u0414\u043e\u043a\u0430\u0436\u0438\u0442\u0435, \u0447\u0442\u043e \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438\u00a0<span data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;semantics&gt;&lt;mrow&gt;&lt;mi&gt;M&lt;\/mi&gt;&lt;mi&gt;N&lt;\/mi&gt;&lt;mi&gt;K&lt;\/mi&gt;&lt;\/mrow&gt;&lt;\/semantics&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\">MNK<\/span>\u00a0\u0438\u00a0<span data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;semantics&gt;&lt;mrow&gt;&lt;mi&gt;S&lt;\/mi&gt;&lt;mi&gt;B&lt;\/mi&gt;&lt;mi&gt;C&lt;\/mi&gt;&lt;\/mrow&gt;&lt;\/semantics&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\">SBC<\/span>\u00a0\u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u044b.<\/p>\n<p style=\"font-weight: 400;\">\u0431)\u00a0\u041d\u0430\u0439\u0434\u0438\u0442\u0435 \u0440\u0430\u0441\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u043e\u0442 \u0442\u043e\u0447\u043a\u0438\u00a0<span data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;semantics&gt;&lt;mi&gt;M&lt;\/mi&gt;&lt;\/semantics&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\">M<\/span>\u00a0\u0434\u043e \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438\u00a0<span data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;semantics&gt;&lt;mrow&gt;&lt;mi&gt;S&lt;\/mi&gt;&lt;mi&gt;B&lt;\/mi&gt;&lt;mi&gt;C&lt;\/mi&gt;&lt;\/mrow&gt;&lt;\/semantics&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\">SBC<\/span>.<\/p>\n<\/div><\/div> <div class=\"su-column su-column-size-1-2\"><div class=\"su-column-inner su-u-clearfix su-u-trim\">\n<p><img decoding=\"async\" loading=\"lazy\" class=\"aligncenter wp-image-1603 size-full\" src=\"http:\/\/helloege.ru\/wp-content\/uploads\/2020\/12\/h4910_1.png\" alt=\"\u0412 \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0439 \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u043e\u0439 \u043f\u0438\u0440\u0430\u043c\u0438\u0434\u0435 SABC\u00a0\u0441\u0442\u043e\u0440\u043e\u043d\u0430\u00a0AB\u00a0\u043e\u0441\u043d\u043e\u0432\u0430\u043d\u0438\u044f \u0440\u0430\u0432\u043d\u0430 12, \u0430 \u0432\u044b\u0441\u043e\u0442\u0430 \u043f\u0438\u0440\u0430\u043c\u0438\u0434\u044b \u0440\u0430\u0432\u043d\u0430 1. \u041d\u0430 \u0440\u0451\u0431\u0440\u0430\u0445\u00a0AB,\u00a0AC\u00a0\u0438\u00a0AS\u00a0\u043e\u0442\u043c\u0435\u0447\u0435\u043d\u044b \u0442\u043e\u0447\u043a\u0438\u00a0M,\u00a0N\u00a0\u0438\u00a0K\u00a0\u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e, \u043f\u0440\u0438\u0447\u0451\u043c\u00a0AM=AN=3\u00a0\u0438\u00a0AK=\u200b\\( \\frac{7}{4} \\)\u200b. \u0430)\u00a0\u0414\u043e\u043a\u0430\u0436\u0438\u0442\u0435, \u0447\u0442\u043e \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438\u00a0MNK\u00a0\u0438\u00a0SBC\u00a0\u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u044b. \u0431)\u00a0\u041d\u0430\u0439\u0434\u0438\u0442\u0435 \u0440\u0430\u0441\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u043e\u0442 \u0442\u043e\u0447\u043a\u0438\u00a0M\u00a0\u0434\u043e \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438\u00a0SBC.\" width=\"360\" height=\"281\" data-wp-pid=\"1603\" srcset=\"http:\/\/helloege.ru\/wp-content\/uploads\/2020\/12\/h4910_1.png 360w, http:\/\/helloege.ru\/wp-content\/uploads\/2020\/12\/h4910_1-300x234.png 300w\" sizes=\"(max-width: 360px) 100vw, 360px\" \/><\/div><\/div><\/div>\n<hr \/>\n<p>\u0414\u043e\u043a\u0430\u0437\u0430\u0442\u044c, \u0447\u0442\u043e \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a AKF \u043f\u043e\u0434\u043e\u0431\u0435\u043d \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0443 ASE.<\/p>\n<p>\u041d\u0430\u0439\u0442\u0438 \u0434\u0432\u0435 \u043f\u0435\u0440\u0435\u0441\u0435\u043a\u0430\u044e\u0449\u0438\u0445\u0441\u044f \u043f\u0440\u044f\u043c\u044b\u0445 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438 <span data-mathml=\"&lt;math xmlns=&quot;http:\/\/www.w3.org\/1998\/Math\/MathML&quot;&gt;&lt;mstyle displaystyle=&quot;true&quot;&gt;&lt;semantics&gt;&lt;mrow&gt;&lt;mi&gt;M&lt;\/mi&gt;&lt;mi&gt;N&lt;\/mi&gt;&lt;mi&gt;K&lt;\/mi&gt;&lt;\/mrow&gt;&lt;\/semantics&gt;&lt;\/mstyle&gt;&lt;\/math&gt;\">MNK \u0438 \u0434\u0432\u0435 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u044b\u0445 \u0438\u043c \u043f\u0440\u044f\u043c\u044b\u0445 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438 SBC.<\/span><\/p>\n<p>\u041e\u0431\u043e\u0441\u043d\u043e\u0432\u0430\u0442\u044c, \u0447\u0442\u043e \u0440\u0430\u0441\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u043e\u0442 \u0442\u043e\u0447\u043a\u0438 M \u0434\u043e \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438 SBC \u0440\u0430\u0432\u043d\u043e \u0440\u0430\u0441\u0441\u0442\u043e\u044f\u043d\u0438\u044e \u043e\u0442 \u0442\u043e\u0447\u043a\u0438 F \u0434\u043e \u043f\u0440\u044f\u043c\u043e\u0439 SE.\u00a0 \u041d\u0430\u0439\u0442\u0438 \u200b<span class=\"math inherit-color _focus\">\\( sin \\angle {E} \\)<\/span>\u200b \u041d\u0430\u0439\u0442\u0438 FV.<\/p>\n<hr \/>\n<p>\u041e\u0442\u0432\u0435\u0442:\u200b<span class=\"math inherit-color \">\\( \\frac{9\\sqrt{39}}{26} \\)<\/span>\u200b<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0414\u043e\u043a\u0430\u0437\u0430\u0442\u044c, \u0447\u0442\u043e \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a AKF \u043f\u043e\u0434\u043e\u0431\u0435\u043d \u0442\u0440\u0435\u0443\u0433\u043e\u043b\u044c\u043d\u0438\u043a\u0443 ASE. \u041d\u0430\u0439\u0442\u0438 \u0434\u0432\u0435 \u043f\u0435\u0440\u0435\u0441\u0435\u043a\u0430\u044e\u0449\u0438\u0445\u0441\u044f \u043f\u0440\u044f\u043c\u044b\u0445 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438 MNK \u0438 \u0434\u0432\u0435 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u044b\u0445 \u0438\u043c \u043f\u0440\u044f\u043c\u044b\u0445 \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438 SBC. \u041e\u0431\u043e\u0441\u043d\u043e\u0432\u0430\u0442\u044c, \u0447\u0442\u043e \u0440\u0430\u0441\u0441\u0442\u043e\u044f\u043d\u0438\u0435 \u043e\u0442 \u0442\u043e\u0447\u043a\u0438 M \u0434\u043e \u043f\u043b\u043e\u0441\u043a\u043e\u0441\u0442\u0438 SBC \u0440\u0430\u0432\u043d\u043e \u0440\u0430\u0441\u0441\u0442\u043e\u044f\u043d\u0438\u044e \u043e\u0442 \u0442\u043e\u0447\u043a\u0438 F \u0434\u043e \u043f\u0440\u044f\u043c\u043e\u0439 SE.\u00a0 \u041d\u0430\u0439\u0442\u0438 \u200b\\( sin \\angle {E} \\)\u200b \u041d\u0430\u0439\u0442\u0438 FV. \u041e\u0442\u0432\u0435\u0442:\u200b\\( \\frac{9\\sqrt{39}}{26} \\)\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\/1598"}],"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=1598"}],"version-history":[{"count":7,"href":"http:\/\/helloege.ru\/index.php?rest_route=\/wp\/v2\/pages\/1598\/revisions"}],"predecessor-version":[{"id":1605,"href":"http:\/\/helloege.ru\/index.php?rest_route=\/wp\/v2\/pages\/1598\/revisions\/1605"}],"wp:attachment":[{"href":"http:\/\/helloege.ru\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1598"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}