{"common":{"save":0,"post_id":"6437","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"6489","mon_id":"1158767","chapter_id":"1158861","post_id":"6437","question":"<p>Cho tam gi&aacute;c ABC vu&ocirc;ng t\u1ea1i A. AB=6, AC=8. T&iacute;nh \u0111\u1ed9 d&agrave;i v&eacute;c t\u01a1&nbsp;<span class=\"math-tex\">$\\overrightarrow{BC}$<\/span><\/p>","options":["A. 14","B. 10","C. <span class=\"math-tex\">$\\sqrt{28}$<\/span>","D. 12"],"correct":"2","level":"3","hint":"<p>&nbsp;<span class=\"svgedit\"><svg height=\"208\" width=\"224\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"210\" id=\"canvas_background\" width=\"226\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"208\" id=\"svg_1\" width=\"224\" x=\"0\" xlink:href=\"data:image\/png;base64,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\" y=\"0\"><\/image> <\/g> <\/svg><\/span><br \/>&Aacute;p d\u1ee5ng \u0111\u1ecbnh l&iacute; Pitago cho tam giac ABC ta c&oacute;: &nbsp;<\/p><p><span class=\"math-tex\">$BC^2=AC^2+AB^2=8^2+6^2=100\\Rightarrow BC=10$<\/span><\/p><p><span class=\"math-tex\">$|\\overrightarrow{BC}|=BC=10$<\/span><\/p>","answer":"<p><span style=\"color:#27ae60;\"><strong>\u0110&aacute;p &aacute;n: B<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2023-03-13 08:42:22","option_type":"math","len":0},{"id":"6490","mon_id":"1158767","chapter_id":"1158861","post_id":"6437","question":"<p>Cho tam gi&aacute;c ABC. G\u1ecdi M,N,P l\u1ea7n l\u01b0\u1ee3t l&agrave; trung \u0111i\u1ec3m c\u1ee7a AB,AC v&agrave; BC. C&oacute; bao nhi&ecirc;u v&eacute;ct\u01a1 kh&aacute;c v&eacute;ct\u01a1 kh&ocirc;ng c&oacute; \u0111i\u1ec3m \u0111\u1ea7u v&agrave; \u0111i\u1ec3m cu\u1ed1i l&agrave; c&aacute;c \u0111i\u1ec3m trong c&aacute;c \u0111i\u1ec3m A,B,C,M,N,P&nbsp;b\u1eb1ng v&eacute;ct\u01a1 <span class=\"math-tex\">$\\overrightarrow{MN}$<\/span>&nbsp;(kh&ocirc;ng k\u1ec3 v&eacute;ct\u01a1 <span class=\"math-tex\">$\\overrightarrow{MN}$<\/span>&nbsp;)?<\/p>","options":["A. 1 .","B. 4 .","C. 2 .","D. 3 ."],"correct":"3","level":"3","hint":"<p>&nbsp;<span class=\"svgedit\"><svg height=\"243\" width=\"363\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"245\" id=\"canvas_background\" width=\"365\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"243\" id=\"svg_1\" width=\"363\" x=\"0\" xlink:href=\"data:image\/png;base64,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\" y=\"0\"><\/image> <\/g> <\/svg><\/span><br \/>C&aacute;c v&eacute;ct\u01a1 kh&aacute;c v&eacute;ct\u01a1 kh&ocirc;ng c&oacute; \u0111i\u1ec3m \u0111\u1ea7u v&agrave; \u0111i\u1ec3m cu\u1ed1i l&agrave; c&aacute;c \u0111i\u1ec3m trong c&aacute;c \u0111i\u1ec3m A,B,C,M,N,P&nbsp;b\u1eb1ng v&eacute;ct\u01a1 <span class=\"math-tex\">$\\overrightarrow{MN}$<\/span>&nbsp;(kh&ocirc;ng k\u1ec3 v&eacute;ct\u01a1 <span class=\"math-tex\">$\\overrightarrow{MN}$<\/span>&nbsp;) l&agrave;: <span class=\"math-tex\">$\\overrightarrow{BP}$<\/span>&nbsp;v&agrave; &nbsp;<span class=\"math-tex\">$\\overrightarrow{PC}$<\/span><\/p>","answer":"<p><span style=\"color:#27ae60;\"><strong>\u0110&aacute;p &aacute;n: C<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2023-03-13 08:46:13","option_type":"txt","len":0},{"id":"6491","mon_id":"1158767","chapter_id":"1158861","post_id":"6437","question":"<p>Cho &nbsp;<span class=\"math-tex\">$\\triangle ABC$<\/span> c&acirc;n t\u1ea1i &nbsp;A, \u0111\u01b0\u1eddng cao AH. Kh\u1eb3ng \u0111\u1ecbnh n&agrave;o sau \u0111&acirc;y \u0111&uacute;ng?<\/p>","options":["A. <span class=\"math-tex\">$\\overrightarrow{HB}=\\overrightarrow{HC}$<\/span>","B. T\u1ea5t c\u1ea3 \u0111\u1ec1u sai","C. <span class=\"math-tex\">$|\\overrightarrow{AB}|=|\\overrightarrow{AC}|$<\/span>","D. <span class=\"math-tex\">$\\overrightarrow{AB}=\\overrightarrow{AC}$<\/span>"],"correct":"3","level":"3","hint":"<p>&nbsp;<span class=\"svgedit\"><svg height=\"189\" width=\"207\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"191\" id=\"canvas_background\" width=\"209\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" height=\"100%\" id=\"canvasGrid\" overflow=\"visible\" width=\"100%\" x=\"0\" y=\"0\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>&lt;title&gt;&lt;\/title><image height=\"189\" id=\"svg_1\" width=\"207\" x=\"0\" xlink:href=\"data:image\/png;base64,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\" y=\"-1\"><\/image> <\/g> <\/svg><\/span><br \/><span class=\"math-tex\">$\\overrightarrow{HB},\\overrightarrow{HC}$<\/span>&nbsp; ng\u01b0\u1ee3c h\u01b0\u1edbng nhau n&ecirc;n <span class=\"math-tex\">$\\overrightarrow{HB}=\\overrightarrow{HC}$<\/span>&nbsp; l&agrave; sai<br \/>Hai v&eacute;c t\u01a1 <span class=\"math-tex\">$\\overrightarrow{AB},\\overrightarrow{AC}$<\/span>&nbsp;kh&ocirc;ng c&ugrave;ng ph\u01b0\u01a1ng n&ecirc;n kh&ocirc;ng c&ugrave;ng h\u01b0\u1edbng n&ecirc;n <span class=\"math-tex\">$\\overrightarrow{AB}=\\overrightarrow{AC}$<\/span>&nbsp; l&agrave; sai<br \/>V&igrave; &nbsp;<span class=\"math-tex\">$\\triangle ABC$<\/span> c&acirc;n t\u1ea1i &nbsp;A n&ecirc;n <span class=\"math-tex\">$AB=AC\\Rightarrow|\\overrightarrow{AB}|=|\\overrightarrow{AC}|$<\/span>&nbsp;. Suy ra kh\u1eb3ng \u0111\u1ecbnh C \u0111&uacute;ng, kh\u1eb3ng \u0111\u1ecbnh&nbsp;B sai<\/p>","answer":"<p><span style=\"color:#27ae60;\"><strong>\u0110&aacute;p &aacute;n: C<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","user_id":"147","test":"0","date":"2023-03-13 08:54:38","option_type":"math","len":0}]}