{"common":{"save":0,"post_id":"5676","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7585","post_id":"5676","mon_id":"1158532","chapter_id":"1158548","question":"<p>C&aacute;c tam gi&aacute;c vu&ocirc;ng ABC v&agrave; DEF c&oacute;&nbsp;<span class=\"math-tex\">$\\widehat{A}=\\widehat{D}$<\/span>&nbsp;= 90&ordm; , AC = DE.&nbsp; N\u1ebfu c&oacute; th&ecirc;m BC = EF th&igrave; hai tam gi&aacute;c \u0111&oacute; b\u1eb1ng nhau theo tr\u01b0\u1eddng h\u1ee3p n&agrave;o?<\/p>","options":["<strong>A. <\/strong>C\u1ea1nh huy\u1ec1n - g&oacute;c nh\u1ecdn","<strong>B. <\/strong>C\u1ea1nh huy\u1ec1n - c\u1ea1nh g&oacute;c vu&ocirc;ng","<strong>C.<\/strong> C\u1ea1nh g&oacute;c vu&ocirc;ng - g&oacute;c nh\u1ecdn k\u1ec1","<strong>D. <\/strong>Hai c\u1ea1nh g&oacute;c vu&ocirc;ng"],"correct":"2","level":"2","hint":"","answer":"<p><span class=\"svgedit\"><svg height=\"200\" width=\"300\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect 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y=\"19.5\"><\/image> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"19.16667\" xml:space=\"preserve\" y=\"155.5\">A<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"157.16667\" xml:space=\"preserve\" y=\"165.5\">D<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"151.16667\" xml:space=\"preserve\" y=\"31.5\">E<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"279.16667\" xml:space=\"preserve\" y=\"162.5\">F<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"17.16667\" xml:space=\"preserve\" y=\"30.5\">B<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"133.16667\" xml:space=\"preserve\" y=\"165.5\">C<\/text> <line fill=\"none\" id=\"svg_8\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"77.16667\" x2=\"77\" y1=\"140.5\" y2=\"163.5\"><\/line> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"224.16667\" x2=\"224\" y1=\"140.5\" y2=\"163.5\"><\/line> <\/g> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_12\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(-32 80.1770858764648,83.91667175292966) \" x=\"73.16667\" xml:space=\"preserve\" y=\"91.91667\">=<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_13\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(-32 212.17709350585932,83.91667175292966) \" x=\"205.16667\" xml:space=\"preserve\" y=\"91.91667\">=<\/text> <\/g> <\/svg><\/span><\/p><p>V&igrave; AC v&agrave; DF l\u1ea7n l\u01b0\u1ee3t l&agrave; c\u1ea1nh g&oacute;c vu&ocirc;ng c\u1ee7a hai tam gi&aacute;c,&nbsp; BC v&agrave; EF l\u1ea7n l\u01b0\u1ee3t l&agrave; c\u1ea1nh huy\u1ec1n c\u1ee7a hai tam gi&aacute;c n&ecirc;n<\/p><p>hai tam gi&aacute;c n&agrave;y b\u1eb1ng nhau theo tr\u01b0\u1eddng h\u1ee3p c\u1ea1nh huy\u1ec1n - c\u1ea1nh g&oacute;c vu&ocirc;ng.<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; &nbsp;<span style=\"color:#16a085;\"><strong>B.<\/strong><strong> <\/strong>C\u1ea1nh huy\u1ec1n - c\u1ea1nh g&oacute;c vu&ocirc;ng<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-04-29 15:54:17","option_type":"txt","len":3},{"id":"7586","post_id":"5676","mon_id":"1158532","chapter_id":"1158548","question":"<p>Cho tam gi&aacute;c ABC&nbsp;v&agrave; tam gi&aacute;c DEF&nbsp;c&oacute;: AB = EF , BC = DE. C\u1ea7n th&ecirc;m \u0111i\u1ec1u ki\u1ec7n g&igrave; \u0111\u1ec3 tam gi&aacute;c ABC v&agrave; tam gi&aacute;c DEF&nbsp;b\u1eb1ng nhau theo tr\u01b0\u1eddng h\u1ee3p c\u1ea1nh -&nbsp; c\u1ea1nh - c\u1ea1nh?<\/p>","options":["<strong>A.<\/strong> AC = DF","<strong>B.<\/strong> AC = EF","<strong>C. <\/strong>AB = EF","<strong>D.<\/strong> AB = DE"],"correct":"1","level":"2","hint":"","answer":"<p><span class=\"svgedit\"><svg height=\"160\" width=\"270\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"162\" id=\"canvas_background\" width=\"272\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_14\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"118\" id=\"svg_1\" width=\"237\" x=\"23.5\" xlink:href=\"data:image\/png;base64,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\" y=\"20\"><\/image> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"33\" x2=\"50\" y1=\"75.5\" y2=\"79.5\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"158\" x2=\"175\" y1=\"74.5\" y2=\"79.5\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"73\" xml:space=\"preserve\" y=\"132.5\">||<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"191\" xml:space=\"preserve\" y=\"132.5\">||<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"49\" xml:space=\"preserve\" y=\"19.5\">A<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"21\" xml:space=\"preserve\" y=\"140.5\">B<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"125\" xml:space=\"preserve\" y=\"141.5\">C<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"172\" xml:space=\"preserve\" y=\"24.5\">F<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_10\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"148\" xml:space=\"preserve\" y=\"144.5\">E<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"251\" xml:space=\"preserve\" y=\"141.5\">D<\/text> <text fill=\"#ff0000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_12\" stroke=\"#ff0000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(60.45475769042969 90.8515625,70) \" x=\"85\" xml:space=\"preserve\" y=\"75.5\">|||<\/text> <text fill=\"#ff0000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"15\" id=\"svg_13\" stroke=\"#ff0000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(60.45475769042969 213.85156249999997,70) \" x=\"208\" xml:space=\"preserve\" y=\"75.5\">|||<\/text> <\/g> <\/svg><\/span><\/p><p>X&eacute;t tam gi&aacute;c&nbsp;ABC&nbsp;v&agrave; tam gi&aacute;c DEF&nbsp;c&oacute;: AB = EF , BC = DE. \u0110\u1ec3 hai tam gi&aacute;c n&agrave;y b\u1eb1ng nhau theo tr\u01b0\u1eddng h\u1ee3p c\u1ea1nh - c\u1ea1nh - c\u1ea1nh th&igrave; c\u1ea7n th&ecirc;m m\u1ed9t c\u1eb7p c\u1ea1nh n\u1eefa b\u1eb1ng nhau, t\u1ee9c l&agrave;&nbsp; AC = DF.<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp; &nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong> AC = DF<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-04-29 16:02:07","option_type":"txt","len":0},{"id":"7595","post_id":"5676","mon_id":"1158532","chapter_id":"1158548","question":"<p>Cho tam gi&aacute;c ABC v&agrave; tam gi&aacute;c DEF c&oacute; AB = EF , AC = DE. C\u1ea7n th&ecirc;m \u0111i\u1ec1u ki\u1ec7n g&igrave; \u0111\u1ec3 hai tam gi&aacute;c n&agrave;y b\u1eb1ng nhau theo t\u01b0\u1eddng h\u1ee3p c\u1ea1nh - g&oacute;c - c\u1ea1nh?<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\widehat{A}=\\widehat{E}$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\widehat{A}=\\widehat{D}$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\widehat{B}=\\widehat{E}$<\/span>","<strong>D. <\/strong> <span class=\"math-tex\">$\\widehat{C}=\\widehat{F}$<\/span>"],"correct":"1","level":"2","hint":"","answer":"<p><span class=\"svgedit\"><svg height=\"170\" width=\"260\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"172\" id=\"canvas_background\" width=\"262\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_12\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"118\" id=\"svg_1\" width=\"237\" x=\"11.5\" 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y=\"17\"><\/image> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"14\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"36\" xml:space=\"preserve\" y=\"17.5\">A<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"14\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"7\" xml:space=\"preserve\" y=\"134.5\">B<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"14\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"111\" xml:space=\"preserve\" y=\"139.5\">C<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"14\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"160\" xml:space=\"preserve\" y=\"17.5\">E<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"14\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"138\" xml:space=\"preserve\" y=\"141.5\">F<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"14\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"239\" xml:space=\"preserve\" y=\"138.5\">D<\/text> <line fill=\"none\" id=\"svg_8\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"25\" x2=\"36\" y1=\"72.5\" y2=\"78.5\"><\/line> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"149\" x2=\"161\" y1=\"72.5\" y2=\"78.5\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_10\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(-24.505237579345703 82.45494842529295,76.1517333984375) matrix(1.1202207803726196,0,0,1,-9.136779308319092,0) \" x=\"75.9202\" xml:space=\"preserve\" y=\"83.21512\">=<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_11\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"rotate(-24.505237579345703 206.45494079589852,76.15174102783206) matrix(1.1202207803726196,0,0,1,-9.136779308319092,0) \" x=\"186.61266\" xml:space=\"preserve\" y=\"83.21512\">=<\/text> <path d=\"m39,43.25c0,0 14,14 21,-1.25\" fill=\"none\" id=\"svg_13\" stroke=\"#ff0000\" stroke-width=\"1.5\"><\/path> <path d=\"m163,43.25c0,0 14,14 21,-1.25\" fill=\"none\" id=\"svg_14\" stroke=\"#ff0000\" stroke-width=\"1.5\"><\/path> <\/g> <\/svg><\/span><\/p><p>X&eacute;t&nbsp;tam gi&aacute;c ABC v&agrave; tam gi&aacute;c DEF c&oacute; AB = EF , AC = DE. \u0110\u1ec3 hai tam gi&aacute;c n&agrave;y b\u1eb1ng nhau theo tr\u01b0\u1eddng h\u1ee3p c\u1ea1nh - g&oacute;c - c\u1ea1nh th&igrave; c\u1ea7n th&ecirc;m \u0111i\u1ec1u ki\u1ec7n v\u1ec1 c\u1eb7p g&oacute;c xen gi\u1eefa hai c\u1eb7p c\u1ea1nh b\u1eb1ng nhau, t\u1ee9c l&agrave;&nbsp; &nbsp;<span class=\"math-tex\">$\\widehat{A}=\\widehat{E}$<\/span>&nbsp;(v&igrave; g&oacute;c A xen gi\u1eefa hai c\u1ea1nh AB v&agrave; AC, g&oacute;c E xen gi\u1eefa hai c\u1ea1nh EF v&agrave; DE).<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp;&nbsp;<span style=\"color:#16a085;\"><strong>A.<\/strong>&nbsp;<span class=\"math-tex\">$\\widehat{A}=\\widehat{E}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-04-30 04:18:47","option_type":"math","len":0}]}