Ôn tập chương 3: Góc và đường thẳng song song

Home Toán lớp 7 - tập 1 Góc và đường thẳng song song Ôn tập chương 3: Góc và đường thẳng song songBài tập trung bình

{"common":{"save":0,"post_id":"5697","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7317","post_id":"5697","mon_id":"1158532","chapter_id":"1158546","question":"Cho hình v\u1ebd, bi\u1ebft m \/\/ n và s\u1ed1 \u0111o c\u1ee7a góc $\\widehat{M_1}=124^0$<\/span>. S\u1ed1 \u0111o c\u1ee7a góc $\\widehat{N_1}$<\/span> là <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/><\/p><svg height=\"190\" width=\"250\"> <g><title><\/title><rect fill=\"#fff\" height=\"192\" id=\"canvas_background\" width=\"252\" 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><line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"23.1\" x2=\"237.1\" y1=\"60.44375\" y2=\"60\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"23.1\" x2=\"237.1\" y1=\"130.44375\" y2=\"130\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(56 130.1000061035156,88.22187805175784) \" x1=\"23.1\" x2=\"237.1\" y1=\"88.44375\" y2=\"88\"><\/line> <path fill=\"none\" fill-opacity=\"null\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m99.1,41.44375\" fill=\"none\" fill-opacity=\"null\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m130.10001,35.44374c-29.6,13.2 -14.8,33 -14.8,33\" fill=\"none\" fill-opacity=\"null\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" transform=\"rotate(90 120.85000610351562,51.94374084472658) \"><\/path> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_15\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"13.1\" xml:space=\"preserve\" y=\"52.44375\">m<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_16\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"12.1\" xml:space=\"preserve\" y=\"121.44375\">n<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_17\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"164.1\" xml:space=\"preserve\" y=\"186.44375\">a<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_19\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"64.1\" xml:space=\"preserve\" y=\"51.44375\">M<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_20\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"138.1\" xml:space=\"preserve\" y=\"153.44375\">N<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_21\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"111.1\" xml:space=\"preserve\" y=\"58.44375\">1<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_23\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"157.1\" xml:space=\"preserve\" y=\"124.44375\">1<\/text> <path d=\"m173.10001,103.44374c-29.6,13.2 -14.8,33 -14.8,33\" fill=\"none\" fill-opacity=\"null\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" transform=\"rotate(90 163.85000610351565,119.94374084472658) \"><\/path> <path d=\"m187.60001,130.94374c-23.2,9.2 -11.6,23 -11.6,23\" fill=\"none\" fill-opacity=\"null\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" transform=\"rotate(180 180.35000610351562,142.44374084472656) \"><\/path> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"180.1\" x2=\"194.1\" y1=\"142.44375\" y2=\"147.44375\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"17\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"170.1\" xml:space=\"preserve\" y=\"145.44375\">2<\/text> <\/g> <\/svg><\/span><\/p>","options":["142°","56°","124°","180°"],"correct":"3","level":"2","hint":"N\u1ebfu m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng c\u1eaft hai \u0111\u01b0\u1eddng th\u1eb3ng song song thì hai góc \u0111\u1ed3ng v\u1ecb b\u1eb1ng nhau.<\/p>","answer":"Vì m \/\/ n và hai góc $\\widehat{N_1}$<\/span> và $\\widehat{M_1}$<\/span> là hai góc \u0111\u1ed3ng v\u1ecb nên $\\widehat{N_1}=\\widehat{M_1}=124^0$<\/span><\/p>\u0110áp án \u0111úng 124°<\/span><\/p>","type":"choose","extra_type":"star","time":"0","user_id":"131","test":"1","date":"2022-04-23 08:35:45","option_type":"txt","len":0},{"id":"7318","post_id":"5697","mon_id":"1158532","chapter_id":"1158546","question":"Cho hình v\u1ebd, bi\u1ebft Om là tia phân giác c\u1ee7a góc xOy. So sánh s\u1ed1 \u0111o hai góc xOm và yOm.<\/p><svg height=\"170\" width=\"280\"> <g><title><\/title><rect fill=\"#fff\" height=\"172\" 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><title><\/title><g id=\"svg_4\"> <line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"2.1\" x2=\"178.1\" y1=\"154.44375\" y2=\"154.44375\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(120 222.10000610351562,77.44374847412108) \" x1=\"134.1\" x2=\"310.1\" y1=\"77.44375\" y2=\"77.44375\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(60 134.10000610351565,79.44375610351561) \" x1=\"46.1\" x2=\"222.1\" y1=\"79.44375\" y2=\"79.44375\"><\/line> <\/g> <path d=\"m193.1,127.44375c-21,-12 -27,6 -27,6\" fill=\"none\" fill-opacity=\"null\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m171.1,140.48253c-21,-12 -27,6 -27,6\" fill=\"none\" fill-opacity=\"null\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" transform=\"rotate(-40 157.60000610351562,141.42002868652344) \"><\/path> <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=\"7.1\" xml:space=\"preserve\" y=\"143.44375\">x<\/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=\"236.1\" xml:space=\"preserve\" y=\"20.44375\">y<\/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=\"76.1\" xml:space=\"preserve\" y=\"31.44375\">m<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"183.1\" xml:space=\"preserve\" y=\"162.44375\">O<\/text> <\/g> <\/svg><\/span><\/p>","options":["A. <\/strong>$\\widehat{xOm}<\\widehat{yOm}$<\/span>","B. <\/strong>$\\widehat{xOm}>\\widehat{yOm}$<\/span>","C. <\/strong>$\\widehat{xOm}=\\widehat{yOm}$<\/span>","D. <\/strong>$\\widehat{xOm}=\\dfrac{1}{2}.\\widehat{yOm}$<\/span>"],"correct":"3","level":"2","hint":"Tia phân giác c\u1ee7a m\u1ed9t góc là tia n\u1eb1m gi\u1eefa hai c\u1ea1nh c\u1ee7a m\u1ed9t góc và t\u1ea1o v\u1edbi hai c\u1ea1nh \u1ea5y hai góc b\u1eb1ng nhau.<\/p>","answer":"Vì tia Om là tia phân giác c\u1ee7a góc xOy nên s\u1ed1 \u0111o c\u1ee7a hai góc mOt và tOn b\u1eb1ng nhau.<\/p>\u0110áp án \u0111úng là  C. <\/strong>$\\widehat{xOm}=\\widehat{yOm}$<\/span><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"3","date":"2022-04-23 08:50:59","option_type":"math","len":0},{"id":"7339","post_id":"5697","mon_id":"1158532","chapter_id":"1158546","question":"Hai góc k\u1ec1 nhau là hai góc có m\u1ed9t c\u1ea1nh chung và hai c\u1ea1nh còn l\u1ea1i n\u1eb1m khác phía so v\u1edbi \u0111\u01b0\u1eddng th\u1eb3ng ch\u1ee9a c\u1ea1nh chung. Quan sát hình v\u1ebd. Tìm các góc k\u1ec1 v\u1edbi góc xOz.<\/p><svg height=\"150\" width=\"280\"> <g><title><\/title><rect fill=\"#fff\" height=\"152\" id=\"canvas_background\" width=\"282\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_8\" 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=\"130\" x2=\"130\" y1=\"4.2375\" y2=\"138.2375\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(90 197,137.23750305175784) \" x1=\"197\" x2=\"197\" y1=\"70.2375\" y2=\"204.2375\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(45 177.00000000000009,90.2375030517578) \" x1=\"177\" x2=\"177\" y1=\"23.2375\" y2=\"157.2375\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"251.1\" xml:space=\"preserve\" y=\"124.2375\">x<\/text> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"86.1\" xml:space=\"preserve\" y=\"144.2375\">O<\/text> <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=\"111.1\" xml:space=\"preserve\" y=\"28.2375\">y<\/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=\"220.1\" xml:space=\"preserve\" y=\"66.2375\">z<\/text> <line fill=\"none\" id=\"svg_9\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(-45 81.99999999999999,90.23750305175783) \" x1=\"82\" x2=\"82\" y1=\"23.2375\" y2=\"157.2375\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"45.1\" xml:space=\"preserve\" y=\"50.2375\">t<\/text> <\/g> <\/svg><\/span><\/p>","options":["$\\widehat{zOy}$<\/span>","$\\widehat{xOy}$<\/span>","$\\widehat{zOt}$<\/span>","$\\widehat{tOy}$<\/span>"],"correct":"[\"1\",\"3\"]","level":"2","hint":"","answer":"Hai góc k\u1ec1 nhau là hai góc có m\u1ed9t c\u1ea1nh chung và hai c\u1ea1nh còn l\u1ea1i n\u1eb1m khác phía so v\u1edbi \u0111\u01b0\u1eddng th\u1eb3ng ch\u1ee9a c\u1ea1nh chung. Các góc k\u1ec1 v\u1edbi góc xOz là<\/p>$\\widehat{zOy}$<\/span><\/span> và $\\widehat{zOt}$<\/span><\/span><\/p>","type":"checkbox","extra_type":"classic-checkbox","time":"0","user_id":"131","test":"1","date":"2022-04-23 15:40:12","option_type":"math","len":0}]}