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HomeLớp 7Toán lớp 7 - Sách kết nối tri thứcBài 13: Hai tam giác bằng nhau. Trường hợp bằng nhau thứ nhất của tam giác.Bài tập trung bình
{"common":{"save":0,"post_id":"5690","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7094","post_id":"5690","mon_id":"1158532","chapter_id":"1158548","question":"<p>Bi\u1ebft&nbsp;<span class=\"math-tex\">$\\triangle DEF$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\triangle MNP$<\/span>&nbsp;. G&oacute;c E c&oacute; s\u1ed1 \u0111o b\u1eb1ng 65&ordm;, g&oacute;c F c&oacute; s\u1ed1 \u0111o b\u1eb1ng 80&ordm; . G&oacute;c M c&oacute; s\u1ed1 \u0111o b\u1eb1ng 35&ordm;. Ch\u1ecdn c&acirc;u \u0111&uacute;ng.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\widehat{D}=35^0$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\widehat{N}=80^0$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\widehat{P}=65^0$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\widehat{D}=80^0$<\/span>"],"correct":"1","level":"2","hint":"<p>Hai tam gi&aacute;c b\u1eb1ng nhau th&igrave; c&oacute; c&aacute;c c\u1ea1nh t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng nhau v&agrave; c&aacute;c g&oacute;c t\u01b0\u01a1ng \u1ee9ng b\u1eb1ng nhau.<\/p>","answer":"<p>V&igrave;&nbsp;<span class=\"math-tex\">$\\triangle DEF$<\/span>&nbsp;=&nbsp;<span class=\"math-tex\">$\\triangle MNP$<\/span>&nbsp; n&ecirc;n&nbsp;&nbsp;<\/p><p><span style=\"color:#16a085;\"><span class=\"math-tex\">$\\widehat{D }=\\widehat{M}=35^0$<\/span><\/span><\/p><p><span class=\"math-tex\">$\\widehat{N}=\\widehat{E}=65^0$<\/span><\/p><p><span class=\"math-tex\">$\\widehat{P}=\\widehat{F}=80^0$<\/span><\/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\">$\\widehat{D}=35^0$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-04-13 09:52:20","option_type":"math","len":0},{"id":"7107","post_id":"5690","mon_id":"1158532","chapter_id":"1158548","question":"<p>Cho MNP b\u1eb1ng m\u1ed9t tam gi&aacute;c c&oacute; ba \u0111\u1ec9nh l\u1ea7n l\u01b0\u1ee3t l&agrave;&nbsp; X, Y v&agrave; Z. Vi\u1ebft k&iacute; hi\u1ec7u v\u1ec1 s\u1ef1 b\u1eb1ng nhau c\u1ee7a hai tam gi&aacute;c \u0111&oacute; trong tr\u01b0\u1eddng h\u1ee3p&nbsp;&nbsp;<span class=\"math-tex\">$\\widehat{M}=\\widehat{Y};\\widehat{N}=\\widehat{Z}$<\/span>.<\/p>","options":["<strong>A.<\/strong> <span class=\"math-tex\">$\\triangle MNP=\\triangle XYZ$<\/span>","<strong>B.<\/strong> <span class=\"math-tex\">$\\triangle MNP = \\triangle XZY$<\/span>","<strong>C.<\/strong> <span class=\"math-tex\">$\\triangle MNP=\\triangle YXZ$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\triangle MNP = \\triangle YZX$<\/span>"],"correct":"4","level":"2","hint":"","answer":"<p>V&igrave;&nbsp;&nbsp;<span class=\"math-tex\">$\\widehat{M}=\\widehat{Y};\\widehat{N}=\\widehat{Z}$<\/span>&nbsp; n&ecirc;n hai g&oacute;c c&ograve;n l\u1ea1i b\u1eb1ng nhau l&agrave;&nbsp;<span class=\"math-tex\">$\\widehat{P}=\\widehat{X}$<\/span>.<\/p><p>Suy ra&nbsp;&nbsp;<span class=\"math-tex\">$\u200b\u200b\\triangle MNP = \\triangle YZX$<\/span>.<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp;&nbsp;<span style=\"color:#16a085;\"><strong>D.<\/strong>&nbsp;<span class=\"math-tex\">$\\triangle MNP = \\triangle YZX$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-04-15 08:53:36","option_type":"math","len":0},{"id":"7109","post_id":"5690","mon_id":"1158532","chapter_id":"1158548","question":"<p>Ch\u1ec9 ra c\u1eb7p tam gi&aacute;c b\u1eb1ng nhau trong h&igrave;nh<\/p><p><span class=\"svgedit\"><svg height=\"250\" width=\"280\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\"> <g>&lt;title&gt;&lt;\/title><rect fill=\"#fff\" height=\"252\" id=\"canvas_background\" width=\"282\" 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=\"244\" id=\"svg_1\" width=\"274\" x=\"1\" 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9OnxaZH+tUeAySCiFWW0gxpYIr6wgp9ktAXw2h1p4\/V3sAG8eklTGJDnZ5FvfNU8Bp8vNJbc0KfaOGUQiUVPCIQHZEM9UeIRuoJSrGoN0ikSAXP4xgY3wrHMSJ0XhL6jKGTCxwhEBWRQLG+10v8BImoFJs2pmYNi3oPktJ0hLW1ZnFANJ4\/pFgXaw8nDUWJQFREkqxFkhcoWY2kViRjCxS9x0jr8Q6S0oxhJLHDhIhXUeiLYbTa30e9NzBgHOB87Q31Ejn74YG9ZD1eXSnNgB9ZdY21cCShL\/SR6kb\/oicSrFJ6WKUMIBLW462ighfyNIDMJxL6RAsn5FHqRt+iIhKYMf3EN5AYM5tHByuSPlYkqX9LDx3r8YJE2pZBC7MGTlcIkeuWPAyz16JOensdf7exU6bbR6kXHwJREUmej2TQdjDr8VaV0oxhODk\/SCehj\/HLknH2OW3sjMWAnfTRHgJREQkem1+Gsl0bkAjr8dZVwbMHt\/2WOKFv9uzZpY2DIBB\/MohIeGeszOdUejOp0CkEoiMSndFhUW8bUpo692u6zmWXXaZMkVtvvbWwK7y7VWbaKJ9TD4p\/W7bYxaxpeoTDv3\/riIT1eG2r4IU8lEjiY4W+vIS+9CqjjEjydsFsRROHjKH0rR4CrSIS1uMFibhQwasHtdurOaEPq5NsSRNBGZHk9bLKNW6fVloPDYHWEAnr8bqS0gxt4PL6Az8JDkBKJ\/RhhTGsdnWwLkl2uHJ2vsqerWxnrOx6+b39CLSCSNJ6vK5V8EKeEqtXr55wYDVWI9mtXPx\/D9voObE3qD\/cw7QYIx4mn+y\/hYyD9M0\/AtETCevx+pDS9D885nfkhL6i0PmyFUmej0S2g83HoWtXRE0kIBFk8PpWwQt5kiDKFdGuiHrNK1kiyYvNyZ75Irs2IY94GH2LlkhY1Bsk0oQKXhjDl9+LefPmqYQ+3UhekEvdoxlCxkP65h6BKImE9XibktJ0Pyz17sAJfSCUsgJPSD85mqEoxaDsevldEAAC0RFJWo+3KSnNGKYOziqRhL4YRqodfYyKSNJ6vHLU4OAJiNB5JPTB+SpFEHCNQDREktbjlZPB9KYFa\/VgW1iKIOASgWiIhPV4Fy5c6BKPVrUNhzQC1HQS+lr14PIw3hGIgkhAHiFKaXofrQo35IQ+hNBLEQRcIRA8kbCAdqhSmq4Gxla7SOJjLRxR6LOFqrSTRSBoIuFDe0KW0oxhSuF4Aazo8hL6Yui\/9DF8BIIlEnYUxqSCF\/Jwc0KfaOGEPErx9i1IImE9XpCISFPamVw4ihGrEqzypAgCthEIjkhYjzc2KU3bA+OiPRwSjdgS0cJxgW632wyKSNJ6vDFKaYY+lTihT7RwQh+p+PoXDJGwHm\/MUpoxDD9IBKHzugl9MTyT9LF5BIIgEhyLiPNE2qKC1\/ywFvcAZg0yg7ETJkUQsIVA40TCKnggEZy5KsU9AhybIwp97rHuyh0aJRJWwdtjjz2ERDzOONbCkYQ+j6C3\/FaNEQmr4IFEHn744ZbDHN7jLVmyRG0Hr1q1KrzOSY+iQ6ARImEVPAhYCYk0M2cQn8NaOM30QO7aJgS8E0laBe\/+++9vE5bRPcvy5cvVqkQS+qIbuuA67JVIQCL4CmIlIiTS\/FxIJ\/RJBHHz4xFzD7wRSVpKU0gknCkDHwlWJfCZSBEEqiLghUjSUpp333131b7KdY4QOOKII9QBSJLQ5wjgDjTrnEjSUppCImHOKE7okyMswxyfGHpVSiRQWUtLPppIN6alNGWbMezpgEhXRLxKQl\/Y4xRq7wYSCUhkpD++Cv6tD91YgqpScUlLaQqJhDr8W\/oFRzhycCShL\/yxCrGHhUSSJ+WIByj69\/TDsQoe8mduuummEJ9b+pSDACf0Sei8TA9TBAqJBApsQ4kCm4kpg5uDRHAgkZCI6VA0Xx9mDc4rwbklUgQBEwQGmja8+kj7SAZpxLKUJvR4ZSViMgzh1OVzcuGAlSII6CJQ6mzlhtIK9Xk+EpbSBIlcddVVuveXeoEhwAl92BKWIgjoIqBNJNwgmzyjw1uWv2kpTSERXejDrcdaOOIkD3eMQutZIZEkmzOFuzPp3Zy0lKZER4Y2vNX6g9B5TugTLZxqGHbtKmNnK0yc3lCyGhkdU247\/\/zzVZzJt771ra5h1+rnRSIfxhWJfVIEgTIESk2bbEBa1j\/yyCOPqF2a7373u3TttdfSbbfdRnfddZdKysNv69atK+uD\/B4oAqzQJwl9gQ5QQN0qJZKyvj799NPjIl\/TOzzZv++22260zz770KxZswhyE8cddxydeuqpNH\/+fFq6dCldc801BFW4n\/\/85\/Sb3\/yG\/vznP6uT01588cWybsjvDhDghD6IlUkRBAYhUJtI0Di+WFh5YAWClcjq1avVygQrFKxUYPZ89atfpXPOOUcRBwgEuwIHH3ww7bvvvjR16tRSMkLU5c4770x77703zZw5kw4\/\/HD64Ac\/SCeffDKdeeaZdN555ynxp0suuYSuvPJKuvHGG+mnP\/0pYRsTAVaPP\/44PfvsswSfjhR9BHAcI2JLJKFPH7Mu1rRCJDaAW79+Pa1du5bWrFlDOFV+xYoVdN111ym92osvvpguuOACOvfcc+m0006jj370o3T00UfToYceqk6ef9Ob3kQ77rgjbbXVVqWEhFXSDjvsoLJd99tvP3rHO95BRx55JB1\/\/PH0qU99SpEdkte++c1vjlsl3XnnnZ1cJYGEgVleQh\/v4OWtQk0DGW3MIWmjOQSCIRIbELz66qv0\/PPP0xNPPKGOcLz33nvpjjvuoJtvvlk5Db\/zne\/QokWL6Mtf\/jJ97nOfo1NOOYXmzp07YXW03XbbaRESYmamTJlCe+21Fx1wwAH0nve8h4455hg66aST6IwzzqAvfOEL9LWvfY0WL15My5YtUyeRrVy5kn71q1\/RAw88oLRlnnnmGQp9Z4QT+rJaOEwk2SBF\/vdsnpaNMZY2wkSgVURiE2K83PD\/YJWElx4v\/09+8hO6\/vrr6fLLL1fkAJJYsGABnX766XTiiSeqVRLIZP\/996c999xTmQQgm0F+I\/4NmbfTpk2jGTNmqFUSTL+0DwkrApDgpZdeSldffTXdcssthFUSyBKk+c9\/\/pNcqROCQNC\/efPmjYO4iEhQaVD4gM1xkrbCQECIxMM44AXHi44XHk5kEACIAIQAYgBBgCjgdE77kEAoIBYQDF5kHUICcYHAQGQgNBAbCA5EB8ID8YEAYS6CEEGMIEgQJcxKECcIFJHK6YLr4KdKJ\/QJkXiYPJHcQohk00ClUwD4hR20NMcXN\/tip6N9XY0\/XnKsEHiVBFMJJhNMJ6ySLrzwQmVSwbSCiQVTC2QC0wsmGEwxHULiOrzTBgc3TL50Qp+YNq5GOb52hUg2jVkvYRITIkB8zaAExtCnQtkqCc7m7CrphBNOUCTECX2DnK3iHwl9BtjtnxDJJjxNiAEvUC85YoGje+0OSbitYZv\/sMMOo9tvv111Mm9FAkLu4eCrTZHP4T6N9MwmAkIkm14IEMNQcg6HjlmD4xV6vX5Sd0t9k9WMzQFssq0i00b3FL0m+y73touAEEmCZ96pb2OWSz482XwjDImpaWR3GJtprYhIGE+JJWlmXJq4qxBJAep5ZDFogLq43Tlo14ad1+IraeK19n9PIZICzJX5MpTkmGja+nhx+siKLjkU2\/8Qyx0FAfcICJEkGOetJgYRA8yY7LIdbchS3v2ElTuEiYAQSYGPZJDPI8\/sMdn1CXMqSK8EgeoICJFswi570HXats9zxmYD2Lq4a1N92smVbUNAiERzRGG6xByApvmYUk0QqISAEIkGbNid6CMATRypGmhJlS4iIETSxVGXZxYELCMgRGIZUGlOEOgiAkIkXRx1eWZBwDIC\/wfv39obA9lSUQAAAABJRU5ErkJggg==\" y=\"0\"><\/image> <\/g> <\/svg><\/span><\/p>","options":["<strong>A. <\/strong><span class=\"math-tex\">$\\triangle EGF = \\triangle SQR$<\/span>","<strong>B. <\/strong><span class=\"math-tex\">$\\triangle EGF = \\triangle PNM$<\/span>","<strong>C. <\/strong><span class=\"math-tex\">$\\triangle EGF = \\triangle MNP$<\/span>","<strong>D.<\/strong> <span class=\"math-tex\">$\\triangle EGF = \\triangle QSR$<\/span>"],"correct":"2","level":"2","hint":"<p>N\u1ebfu 3 c\u1ea1nh c\u1ee7a tam gi&aacute;c n&agrave;y l\u1ea7n l\u01b0\u1ee3t b\u1eb1ng 3 c\u1ea1nh c\u1ee7a tam gi&aacute;c kia th&igrave; hai tam gi&aacute;c \u0111&oacute; b\u1eb1ng nhau.<\/p>","answer":"<p>X&eacute;t&nbsp;<span class=\"math-tex\">$\\triangle EGF$<\/span>&nbsp;v&agrave;&nbsp;&nbsp;<span class=\"math-tex\">$\\triangle MNP$<\/span>&nbsp;c&oacute;<\/p><p>EG = PN&nbsp;( = 3)<\/p><p>GF = NM ( = 4,5)<\/p><p>FE = MP ( = 5)<\/p><p>Suy ra&nbsp;&nbsp;<span class=\"math-tex\">$\\triangle EGF = \\triangle PNM$<\/span>&nbsp;.<\/p><p>\u0110&aacute;p &aacute;n \u0111&uacute;ng l&agrave;&nbsp;&nbsp;<span style=\"color:#16a085;\"><strong>B.&nbsp;<\/strong><span class=\"math-tex\">$\\triangle EGF = \\triangle PNM$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-04-15 09:03:01","option_type":"math","len":0}]}
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