Tứ giác - Bài tập dễ

Home Lớp 8 Toán lớp 8 - Sách Kết nối tri thức Bài 10. Tứ giác.Bài tập cơ bản

{"common":{"save":0,"post_id":"6559","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"5961","post_id":"6559","mon_id":"1158921","chapter_id":"1158929","question":"T\u1ee9 giác l\u1ed3i là t\u1ee9 giác <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/>.<\/p>","options":["A.<\/strong> t\u1ee9 giác mà ba \u0111\u1ec9nh thu\u1ed9c m\u1ed9t c\u1ea1nh b\u1ea5t kì luôn n\u1eb1m v\u1ec1 m\u1ed9t phía c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng \u0111i qua hai \u0111\u1ec9nh còn l\u1ea1i.","B.<\/strong> t\u1ee9 giác mà hai \u0111\u1ec9nh thu\u1ed9c m\u1ed9t c\u1ea1nh b\u1ea5t kì luôn n\u1eb1m v\u1ec1 m\u1ed9t phía c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng \u0111i qua hai \u0111\u1ec9nh còn l\u1ea1i.","C.<\/strong> t\u1ee9 giác mà hai \u0111\u1ec9nh b\u1ea5t kì luôn n\u1eb1m v\u1ec1 m\u1ed9t phía c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng \u0111i qua hai \u0111\u1ec9nh còn l\u1ea1i.","D.<\/strong> t\u1ee9 giác mà hai \u0111\u1ec9nh thu\u1ed9c m\u1ed9t c\u1ea1nh b\u1ea5t kì luôn n\u1eb1m v\u1ec1 hai phía c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng \u0111i qua hai \u0111\u1ec9nh còn l\u1ea1i."],"correct":"2","level":"1","hint":"","answer":"A.<\/strong> t\u1ee9 giác mà ba<\/strong><\/span> \u0111\u1ec9nh thu\u1ed9c m\u1ed9t c\u1ea1nh b\u1ea5t kì luôn n\u1eb1m v\u1ec1 m\u1ed9t phía c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng \u0111i qua hai \u0111\u1ec9nh còn l\u1ea1i. (sai)<\/p>C.<\/strong> t\u1ee9 giác mà h<\/span>ai \u0111\u1ec9nh b\u1ea5t kì<\/span><\/strong> luôn n\u1eb1m v\u1ec1 m\u1ed9t phía c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng \u0111i qua hai \u0111\u1ec9nh còn l\u1ea1i. (sai)<\/p>D.<\/strong> t\u1ee9 giác mà hai \u0111\u1ec9nh thu\u1ed9c m\u1ed9t c\u1ea1nh b\u1ea5t kì luôn n\u1eb1m v\u1ec1 hai phía<\/strong><\/span> c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng \u0111i qua hai \u0111\u1ec9nh còn l\u1ea1i. (sai)<\/p>Ch\u1ecdn B.<\/strong> t\u1ee9 giác mà hai \u0111\u1ec9nh thu\u1ed9c m\u1ed9t c\u1ea1nh b\u1ea5t kì luôn n\u1eb1m v\u1ec1 m\u1ed9t phía c\u1ee7a \u0111\u01b0\u1eddng th\u1eb3ng \u0111i qua hai \u0111\u1ec9nh còn l\u1ea1i.<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-09 04:38:56","option_type":"txt","len":3},{"id":"5965","post_id":"6559","mon_id":"1158921","chapter_id":"1158929","question":"Cho t\u1ee9 giác nh\u01b0 hình v\u1ebd. Cách g\u1ecdi tên sai <\/strong>là:<\/p><svg height=\"120\" width=\"200\"> <g><title><\/title><rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"202\" 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><title><\/title><g id=\"svg_10\"> <g id=\"svg_5\"> <line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"43\" x2=\"148\" y1=\"36.25\" y2=\"24.25\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"36\" x2=\"166\" y1=\"108.25\" y2=\"108.25\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"44\" x2=\"35\" y1=\"35.25\" y2=\"109.25\"><\/line> <line fill=\"none\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"147\" x2=\"165\" y1=\"23.25\" y2=\"109.25\"><\/line> <\/g> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"154\" xml:space=\"preserve\" y=\"22.25\">A<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11\" xml:space=\"preserve\" y=\"112.25\">C<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"23\" xml:space=\"preserve\" y=\"35.25\">M<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"171\" xml:space=\"preserve\" y=\"113.25\">N<\/text> <\/g> <\/g> <\/svg><\/span><\/p>","options":["A. <\/strong>T\u1ee9 giác MANC","B. <\/strong>T\u1ee9 giác AMCN","C. <\/strong>T\u1ee9 giác MCAN","B. <\/strong>T\u1ee9 giác CMAN"],"correct":"3","level":"1","hint":"","answer":"Cách g\u1ecdi tên sai là t\u1ee9 giác MCAN.<\/p>Ch\u1ecdn C. <\/strong>T\u1ee9 giác MCAN<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"0","date":"2023-07-16 03:18:09","option_type":"txt","len":2},{"id":"5968","post_id":"6559","mon_id":"1158921","chapter_id":"1158929","question":"Hình nào là t\u1ee9 giác l\u1ed3i?<\/p>","options":["A. <svg height=\"120\" width=\"200\"> <g>\n<title><\/title>\n<rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"202\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_4\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>\n<title><\/title>\n<text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"178\" xml:space=\"preserve\" y=\"106.25\">A<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"7\" xml:space=\"preserve\" y=\"101.25\">B<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"66\" xml:space=\"preserve\" y=\"18.25\">D<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(1.1669942140579224,0,0,1.1027663946151733,-30.652262452042123,-1.46442112326622) \" x=\"96.59091\" xml:space=\"preserve\" y=\"107.15681\">C<\/text> <path d=\"m27.725,92.22188l72.50001,-75.00001l72.50001,75.00001l-145.00002,0z\" fill=\"#fff\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <ellipse cx=\"89\" cy=\"91.75\" fill=\"#000000\" id=\"svg_2\" rx=\"3\" ry=\"3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/ellipse> <\/g> <\/svg><\/span><\/strong>","B. <svg height=\"120\" width=\"200\"> <g>\n<title><\/title>\n<rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"202\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_4\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>\n<title><\/title>\n<g id=\"svg_3\" stroke=\"null\" transform=\"rotate(-9.709826469421387 95.53530120849616,58.87515640258793) \"> <path d=\"m30.51113,101.01527l65.02418,-42.14012l65.02418,42.14012l-130.04835,0z\" fill=\"#fff\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <path d=\"m160.55948,16.73504l-65.02418,42.14012l-65.02418,-42.14012l130.04835,0z\" fill=\"#fff\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <\/g> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"5\" xml:space=\"preserve\" y=\"39.25\">A<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"157\" xml:space=\"preserve\" y=\"19.25\">B<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"171\" xml:space=\"preserve\" y=\"97.25\">C<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"19\" xml:space=\"preserve\" y=\"110.25\">D<\/text> <\/g> <\/svg><\/span><\/strong>","C. <svg height=\"120\" width=\"200\"> <g>\n<title><\/title>\n<rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"202\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_4\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>\n<title><\/title>\n<text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"53\" xml:space=\"preserve\" y=\"71.25\">A<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"20\" xml:space=\"preserve\" y=\"111.25\">B<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"54\" xml:space=\"preserve\" y=\"19.25\">D<\/text> <g id=\"svg_10\" stroke=\"null\"> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" transform=\"matrix(1.1669942140579224,0,0,1.1027663946151733,-30.652262452042123,-1.46442112326622) \" x=\"166.8569\" xml:space=\"preserve\" y=\"106.25\">C<\/text> <line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"76.7496\" x2=\"76.54421\" y1=\"15.35277\" y2=\"71.59385\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"37.8\" x2=\"160.56779\" y1=\"114.60174\" y2=\"105.77961\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"76.7496\" x2=\"159.31678\" y1=\"14.25\" y2=\"104.67684\"><\/line> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"76.54421\" x2=\"37.88403\" y1=\"70.49109\" y2=\"114.60174\"><\/line> <\/g> <\/g> <\/svg><\/span><\/strong>","D. <svg height=\"120\" width=\"200\"> <g>\n<title><\/title>\n<rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"202\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_4\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g>\n<title><\/title>\n<text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"21\" xml:space=\"preserve\" y=\"50.25\">A<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"42\" xml:space=\"preserve\" y=\"112.25\">B<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"176\" xml:space=\"preserve\" y=\"103.25\">C<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"113\" xml:space=\"preserve\" y=\"20.25\">D<\/text> <g id=\"svg_10\" stroke=\"null\"> <line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"101.176\" x2=\"39\" y1=\"12.25\" y2=\"58.25\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"65.8\" x2=\"173\" y1=\"102.25\" y2=\"94.25\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"101.176\" x2=\"171.928\" y1=\"11.25\" y2=\"93.25\"><\/line> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"39\" x2=\"66.872\" y1=\"57.25\" y2=\"103.25\"><\/line> <\/g> <\/g> <\/svg><\/span><\/strong>"],"correct":"4","level":"1","hint":"","answer":"Ch\u1ecdn D. <\/span><svg height=\"120\" width=\"200\"> <g><title><\/title><rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"202\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_4\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"21\" xml:space=\"preserve\" y=\"50.25\">A<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"42\" xml:space=\"preserve\" y=\"112.25\">B<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"176\" xml:space=\"preserve\" y=\"103.25\">C<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"113\" xml:space=\"preserve\" y=\"20.25\">D<\/text> <g id=\"svg_10\" stroke=\"null\"> <line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"101.176\" x2=\"39\" y1=\"12.25\" y2=\"58.25\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"65.8\" x2=\"173\" y1=\"102.25\" y2=\"94.25\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"101.176\" x2=\"171.928\" y1=\"11.25\" y2=\"93.25\"><\/line> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"39\" x2=\"66.872\" y1=\"57.25\" y2=\"103.25\"><\/line> <\/g> <\/g> <\/svg><\/span><\/strong><\/p>","type":"choose_img","extra_type":"","time":"0","user_id":"131","test":"0","date":"2023-07-16 03:25:46"}]}