Hai đường thẳng song song và dấu hiệu nhận biết

Home Toán lớp 7 - tập 1 Góc và đường thẳng song song Bài 9: Hai đường thẳng song song và dấu hiệu nhận biếtBài tập nâng cao

{"common":{"save":0,"post_id":"5682","level":3,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7099","post_id":"5682","mon_id":"1158532","chapter_id":"1158546","question":"Cho hình v\u1ebd, bi\u1ebft $ \\widehat{M_1}= \\widehat{N_1}$<\/span> . H\u1ecfi c\u1eb7p \u0111\u01b0\u1eddng th\u1eb3ng nào d\u01b0\u1edbi \u0111ây song song v\u1edbi nhau ?<\/p> <svg height=\"180\" width=\"230\"> <g><title><\/title><rect fill=\"#fff\" height=\"182\" id=\"canvas_background\" width=\"232\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_11\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g><title><\/title><line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"25.1\" x2=\"214.1\" y1=\"44.85\" y2=\"44.85\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"7.1\" x2=\"224\" y1=\"120.85\" y2=\"120.85\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(80 163.55000305175778,86.84999847412112) \" x1=\"78.1\" x2=\"249\" y1=\"86.85\" y2=\"86.85\"><\/line> <line fill=\"none\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(-60 73.5500030517578,80.84999847412108) \" x1=\"-11.9\" x2=\"159\" y1=\"80.85\" y2=\"80.85\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"208.1\" xml:space=\"preserve\" y=\"33.85\">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=\"208.1\" xml:space=\"preserve\" y=\"111.85\">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=\"184.1\" xml:space=\"preserve\" y=\"171.85\">d<\/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=\"40.1\" xml:space=\"preserve\" y=\"162.85\">c<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"76.1\" xml:space=\"preserve\" y=\"36.85\">M<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"32.1\" xml:space=\"preserve\" y=\"116.85\">N<\/text> <path fill=\"none\" fill-opacity=\"null\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m104.1,24.85c22,-2 16,19 15.9,18.15\" fill=\"none\" fill-opacity=\"null\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m61.1,100.85c22,-2 16,19 15.9,18.15\" fill=\"none\" fill-opacity=\"null\" id=\"svg_14\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_15\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"104.1\" xml:space=\"preserve\" y=\"39.85\">1<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_16\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"59.1\" xml:space=\"preserve\" y=\"115.85\">1<\/text> <\/g> <\/svg><\/span> <\/p>","options":["A.<\/strong> a và c","B.<\/strong> c và d","C.<\/strong> a và b","D.<\/strong> b và d"],"correct":"3","level":"3","hint":"N\u1ebfu \u0111\u01b0\u1eddng th\u1eb3ng c c\u1eaft hai \u0111\u01b0\u1eddng th\u1eb3ng a, b và trong các góc t\u1ea1o thành có m\u1ed9t c\u1eb7p góc so le trong b\u1eb1ng nhau ho\u1eb7c m\u1ed9t c\u1eb7p góc \u0111\u1ed3ng v\u1ecb b\u1eb1ng nhau thì a và b song song v\u1edbi nhau (kí hi\u1ec7u là a\/\/b)<\/p>","answer":"Xét \u0111\u01b0\u1eddng th\u1eb3ng c c\u1eaft hai \u0111\u01b0\u1eddng th\u1eb3ng a và b l\u1ea7n l\u01b0\u1ee3t t\u1ea1i M và N:<\/p>Vì góc $ \\widehat{M_1}= \\widehat{N_1}$<\/span> mà hai góc này \u1edf v\u1ecb trí \u0111\u1ed3ng v\u1ecb nên hai \u0111\u01b0\u1eddng th\u1eb3ng a và b song song v\u1edbi nhau.<\/p>\u0110áp án \u0111úng là C.<\/strong> a và b<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-04-14 07:50:14","option_type":"txt","len":2},{"id":"7100","post_id":"5682","mon_id":"1158532","chapter_id":"1158546","question":"Cho hình v\u1ebd. 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stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_15\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"104.1\" xml:space=\"preserve\" y=\"39.85\">1<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_16\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"59.1\" xml:space=\"preserve\" y=\"115.85\">1<\/text> <path d=\"m146.1,101.85001c24.6315,-2 17.91382,19 17.80186,18.15\" fill=\"none\" fill-opacity=\"null\" id=\"svg_17\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" transform=\"rotate(-90 155.46026611328125,110.87038421630858) \"><\/path> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_19\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"144.1\" x2=\"153.1\" y1=\"100.85\" y2=\"109.85\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_20\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"157.1\" xml:space=\"preserve\" y=\"117.85\">1<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_21\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"150.1\" xml:space=\"preserve\" y=\"141.85\">P<\/text> <\/g> <\/svg><\/span><\/p>","options":["A.<\/strong> so le trong","B.<\/strong> \u0111\u1ed3ng v\u1ecb","C.<\/strong> bù nhau","D.<\/strong> trong cùng phía"],"correct":"4","level":"3","hint":"","answer":"Xét \u0111\u01b0\u1eddng th\u1eb3ng b c\u1eaft hai \u0111\u01b0\u1eddng th\u1eb3ng c và d thì c\u1eb7p góc $\\widehat{N_1}$<\/span> và $\\widehat{P_1}$<\/span> là hai góc trong cùng phía.<\/span><\/p>\u0110áp án \u0111úng là  D.<\/strong> trong cùng phía<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-04-15 07:44:02","option_type":"txt","len":2},{"id":"7101","post_id":"5682","mon_id":"1158532","chapter_id":"1158546","question":"Cho hình v\u1ebd. C\u1eb7p góc $\\widehat{M_1}$<\/span> và $\\widehat{N_1}$<\/span> là hai góc <\/p><svg height=\"180\" width=\"230\"> <g> <title><\/title> <rect fill=\"#fff\" height=\"182\" id=\"canvas_background\" width=\"232\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_11\" stroke-width=\"0\" width=\"100%\" x=\"0\" y=\"0\"><\/rect> <\/g> <\/g> <g> <title><\/title> <line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"25.1\" x2=\"214.1\" y1=\"44.85\" y2=\"44.85\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"7.1\" x2=\"224\" y1=\"120.85\" y2=\"120.85\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(80 163.55000305175778,86.84999847412112) \" x1=\"78.1\" x2=\"249\" y1=\"86.85\" y2=\"86.85\"><\/line> <line fill=\"none\" id=\"svg_4\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(-60 73.5500030517578,80.84999847412108) \" x1=\"-11.9\" x2=\"159\" y1=\"80.85\" y2=\"80.85\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"208.1\" xml:space=\"preserve\" y=\"33.85\">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=\"208.1\" xml:space=\"preserve\" y=\"111.85\">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=\"184.1\" xml:space=\"preserve\" y=\"171.85\">d<\/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=\"40.1\" xml:space=\"preserve\" y=\"162.85\">c<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"76.1\" xml:space=\"preserve\" y=\"36.85\">M<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"158.1\" xml:space=\"preserve\" y=\"41.85\">N<\/text> <path fill=\"none\" fill-opacity=\"null\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m104.1,24.85c22,-2 16,19 15.9,18.15\" fill=\"none\" fill-opacity=\"null\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_15\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"104.1\" xml:space=\"preserve\" y=\"39.85\">1<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_20\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"146.1\" xml:space=\"preserve\" y=\"59.85\">1<\/text> <g id=\"svg_18\" transform=\"rotate(-90 149.3575134277344,56.04032897949218) \"> <path d=\"m141.1,47.85001c24.6315,-2 17.91382,19 17.80186,18.15\" fill=\"none\" fill-opacity=\"null\" id=\"svg_17\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" transform=\"rotate(-90 150.46026611328128,56.87039184570312) \"><\/path> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_19\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"139.1\" x2=\"148.1\" y1=\"45.85\" y2=\"54.85\"><\/line> <\/g> <\/g> <\/svg><\/span><\/p>","options":["A.<\/strong> so le trong","B.<\/strong> \u0111\u1ed3ng v\u1ecb","C.<\/strong> bù nhau","D.<\/strong> trong cùng phía"],"correct":"1","level":"3","hint":"","answer":"Xét \u0111\u01b0\u1eddng th\u1eb3ng a c\u1eaft hai \u0111\u01b0\u1eddng th\u1eb3ng c và d thì c\u1eb7p góc  $\\widehat{M_1}$<\/span> và $\\widehat{N_1}$<\/span>  là hai góc so le trong.<\/span><\/p>\u0110áp án \u0111úng là  A.<\/strong> so le trong<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-04-15 07:47:30","option_type":"txt","len":2}]}