\u0110\u1ec1 thi h\u1ecdc k\u00ec 1 l\u1edbp 12 m\u00f4n To\u00e1n 2015 Kh\u00e1nh H\u00f2a<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-1-lop-12-mon-toan-2015-khanh-hoa\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0110\u1ec1 thi h\u1ecdc k\u00ec 1 l\u1edbp 12 m\u00f4n To\u00e1n 2015 Kh\u00e1nh H\u00f2a\" \/>\n<meta property=\"og:description\" content=\"S\u1edf GD&\u0110T t\u1ec9nh Kh\u00e1nh H\u00f2a t\u1ed5 ch\u1ee9c thi h\u1ecdc k\u00ec 1 cho c\u00e1c l\u1edbp kh\u1ed1i 12 trong n\u0103m h\u1ecdc 2015 – 2016 v\u1edbi m\u00f4n thi To\u00e1n c\u00f3 \u0111\u00e1p \u00e1n chi ti\u1ebft \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt d\u01b0\u1edbi \u0111\u00e2y: B\u00e0i 4 (3,0 \u0111i\u1ec3m). 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Cho h\u00ecnh ch\u00f3p S.ABCD c\u00f3 \u0111\u00e1y ABCD l\u00e0 h\u00ecnh vu\u00f4ng, v\u1edbi AC = (a\u221a2)\/2. C\u1ea1nh […]","og_url":"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-1-lop-12-mon-toan-2015-khanh-hoa\/","og_site_name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12 l\u1edbn nh\u1ea5t t\u1ea1i Vi\u1ec7t Nam","article_published_time":"2016-11-25T04:19:44+00:00","og_image":[{"url":"http:\/\/images.tuyensinh247.com\/picture\/2015\/1228\/de-thi-hoc-ki-1-lop-12-toan-khanh-hoa-2015-result.jpg"}],"author":"Thu H\u01b0\u01a1ng","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Thu H\u01b0\u01a1ng","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-1-lop-12-mon-toan-2015-khanh-hoa\/","url":"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-1-lop-12-mon-toan-2015-khanh-hoa\/","name":"\u0110\u1ec1 thi h\u1ecdc k\u00ec 1 l\u1edbp 12 m\u00f4n To\u00e1n 2015 Kh\u00e1nh H\u00f2a","isPartOf":{"@id":"https:\/\/lop12.edu.vn\/#website"},"datePublished":"2016-11-25T04:19:44+00:00","dateModified":"2016-11-25T04:19:44+00:00","author":{"@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/a37935c3c859cc908088334047878c87"},"breadcrumb":{"@id":"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-1-lop-12-mon-toan-2015-khanh-hoa\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/lop12.edu.vn\/de-thi-hoc-ki-1-lop-12-mon-toan-2015-khanh-hoa\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-1-lop-12-mon-toan-2015-khanh-hoa\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/lop12.edu.vn\/"},{"@type":"ListItem","position":2,"name":"\u0110\u1ec1 thi h\u1ecdc k\u00ec 1 l\u1edbp 12 m\u00f4n To\u00e1n 2015 Kh\u00e1nh H\u00f2a"}]},{"@type":"WebSite","@id":"https:\/\/lop12.edu.vn\/#website","url":"https:\/\/lop12.edu.vn\/","name":"Lop12.edu.vn - C\u1ed9ng \u0111\u1ed3ng h\u1ecdc sinh l\u1edbp 12","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/lop12.edu.vn\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/a37935c3c859cc908088334047878c87","name":"Thu H\u01b0\u01a1ng","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/lop12.edu.vn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/5cb73f4a14844c4a42ce9b1decae8026?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/5cb73f4a14844c4a42ce9b1decae8026?s=96&d=mm&r=g","caption":"Thu H\u01b0\u01a1ng"},"url":"https:\/\/lop12.edu.vn\/author\/huongttt2\/"}]}},"_links":{"self":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/7142"}],"collection":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/comments?post=7142"}],"version-history":[{"count":1,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/7142\/revisions"}],"predecessor-version":[{"id":7144,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/posts\/7142\/revisions\/7144"}],"wp:attachment":[{"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/media?parent=7142"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/categories?post=7142"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lop12.edu.vn\/wp-json\/wp\/v2\/tags?post=7142"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}

{"id":7142,"date":"2016-11-25T04:19:44","date_gmt":"2016-11-25T04:19:44","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=7142"},"modified":"2016-11-25T04:19:44","modified_gmt":"2016-11-25T04:19:44","slug":"de-thi-hoc-ki-1-lop-12-mon-toan-2015-khanh-hoa","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-1-lop-12-mon-toan-2015-khanh-hoa\/","title":{"rendered":"\u0110\u1ec1 thi h\u1ecdc k\u00ec 1 l\u1edbp 12 m\u00f4n To\u00e1n 2015 Kh\u00e1nh H\u00f2a"},"content":{"rendered":"

S\u1edf GD&\u0110T t\u1ec9nh Kh\u00e1nh H\u00f2a t\u1ed5 ch\u1ee9c thi h\u1ecdc k\u00ec 1 cho c\u00e1c l\u1edbp kh\u1ed1i 12 trong n\u0103m h\u1ecdc 2015 – 2016 v\u1edbi m\u00f4n thi To\u00e1n c\u00f3 \u0111\u00e1p \u00e1n chi ti\u1ebft \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt d\u01b0\u1edbi \u0111\u00e2y:<\/p>\n

B\u00e0i 4 (3,0 \u0111i\u1ec3m).<\/strong> Cho h\u00ecnh ch\u00f3p S.ABCD c\u00f3 \u0111\u00e1y ABCD l\u00e0 h\u00ecnh vu\u00f4ng, v\u1edbi AC = (a\u221a2)\/2. C\u1ea1nh b\u00ean SA vu\u00f4ng g\u00f3c v\u1edbi m\u1eb7t ph\u1eb3ng (ABCD); c\u1ea1nh b\u00ean SB h\u1ee3p v\u1edbi m\u1eb7t ph\u1eb3ng (ABCD) m\u1ed9t g\u00f3c 60^{0<\/sup>.<\/p>\n}

a) T\u00ednh th\u1ec3 t\u00edch kh\u1ed1i ch\u00f3p S.ABCD.<\/p>\n

b) T\u00ednh kho\u1ea3ng c\u00e1ch gi\u1eefa hai \u0111\u01b0\u1eddng th\u1eb3ng AD v\u00e0 SC.<\/p>\n

c) Tr\u00ean c\u1ea1nh SD l\u1ea5y \u0111i\u1ec3m E sao chho ED = x. T\u00ecm x \u0111\u1ec3 m\u1eb7t ph\u1eb3ng (BCE) chia kh\u1ed1i ch\u00f3p S.ABCD th\u00e0nh hai ph\u1ea7n c\u00f3 th\u1ec3 t\u00edch b\u1eb1ng nhau.<\/p>\n

$\"De$ <\/p>\n

\u0110\u00e1p \u00e1n \u0111\u1ec1 thi h\u1ecdc k\u00ec 1 l\u1edbp 12 m\u00f4n To\u00e1n 2015 Kh\u00e1nh H\u00f2a<\/strong><\/h3>\n
$\"De$ <\/strong><\/p>\n
$\"De$ <\/strong><\/p>\n
$\"De$ <\/strong><\/p>\n
Theo Tuyensinh247<\/strong><\/p>\n
<\/p>\n","protected":false},"excerpt":{"rendered":"
S\u1edf GD&\u0110T t\u1ec9nh Kh\u00e1nh H\u00f2a t\u1ed5 ch\u1ee9c thi h\u1ecdc k\u00ec 1 cho c\u00e1c l\u1edbp kh\u1ed1i 12 trong n\u0103m h\u1ecdc 2015 – 2016 v\u1edbi m\u00f4n thi To\u00e1n c\u00f3 \u0111\u00e1p \u00e1n chi ti\u1ebft \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt d\u01b0\u1edbi \u0111\u00e2y: B\u00e0i 4 (3,0 \u0111i\u1ec3m). Cho h\u00ecnh ch\u00f3p S.ABCD c\u00f3 \u0111\u00e1y ABCD l\u00e0 h\u00ecnh vu\u00f4ng, v\u1edbi AC = (a\u221a2)\/2. C\u1ea1nh […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[167],"tags":[],"yoast_head":"\n\u0110\u1ec1 thi h\u1ecdc k\u00ec 1 l\u1edbp 12 m\u00f4n To\u00e1n 2015 Kh\u00e1nh H\u00f2a<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/de-thi-hoc-ki-1-lop-12-mon-toan-2015-khanh-hoa\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u0110\u1ec1 thi h\u1ecdc k\u00ec 1 l\u1edbp 12 m\u00f4n To\u00e1n 2015 Kh\u00e1nh H\u00f2a\" \/>\n<meta property=\"og:description\" content=\"S\u1edf GD&\u0110T t\u1ec9nh Kh\u00e1nh H\u00f2a t\u1ed5 ch\u1ee9c thi h\u1ecdc k\u00ec 1 cho c\u00e1c l\u1edbp kh\u1ed1i 12 trong n\u0103m h\u1ecdc 2015 – 2016 v\u1edbi m\u00f4n thi To\u00e1n c\u00f3 \u0111\u00e1p \u00e1n chi ti\u1ebft \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt d\u01b0\u1edbi \u0111\u00e2y: B\u00e0i 4 (3,0 \u0111i\u1ec3m). Cho h\u00ecnh ch\u00f3p S.ABCD c\u00f3 \u0111\u00e1y ABCD l\u00e0 h\u00ecnh vu\u00f4ng, v\u1edbi AC = (a\u221a2)\/2. 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