Ôn tập chương 3: Góc và đường thẳng song song

Home Toán lớp 7 - Sách KNTT Toán lớp 7 - tập 1 Ôn tập chương 3: Góc và đường thẳng song songBài tập cơ bản

{"common":{"save":0,"post_id":"5696","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7306","post_id":"5696","mon_id":"1158532","chapter_id":"1158546","question":"<p>Quan sát hình v\u1ebd và cho bi\u1ebft hai góc xOy và x'Oy' là hai góc <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/><\/p><p><span class=\"svgedit\"><svg height=\"130\" width=\"270\"> <g><title><\/title><rect fill=\"#fff\" height=\"132\" id=\"canvas_background\" width=\"272\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_10\" 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=\"8.30625\" x2=\"254.30625\" y1=\"61\" y2=\"61.4375\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(40 135.1531219482422,60.21875) \" x1=\"52.30625\" x2=\"218\" y1=\"60\" y2=\"60.4375\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11.30625\" xml:space=\"preserve\" y=\"79.4375\">x<\/text> <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=\"242.30625\" xml:space=\"preserve\" y=\"80.4375\">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=\"88.30625\" xml:space=\"preserve\" y=\"18.4375\">y<\/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=\"162.30625\" xml:space=\"preserve\" y=\"118.4375\">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=\"123.30625\" xml:space=\"preserve\" y=\"87.4375\">O<\/text> <path fill=\"none\" fill-opacity=\"null\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path fill=\"none\" fill-opacity=\"null\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m112.30625,39.4375c-18,6 -6,23 -6.30625,22.5625\" fill=\"#fff\" fill-opacity=\"null\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m173.30625,60.4375c-18,6 -6,23 -6.30625,22.5625\" fill=\"#fff\" fill-opacity=\"null\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" transform=\"rotate(180 168.3349151611328,71.72289276123048) \"><\/path> <\/g> <\/svg><\/span>  <\/p>","options":["<strong>A.<\/strong> \u0111\u1ed1i \u0111\u1ec9nh","<strong>B.<\/strong> b\u1eb1ng nhau","<strong>C.<\/strong> k\u1ec1 bù","<strong>D.<\/strong> bù nhau"],"correct":"1","level":"1","hint":"<p>Hai góc \u0111\u1ed1i \u0111\u1ec9nh là hai góc mà m\u1ed7i c\u1ea1nh c\u1ee7a góc này là tia \u0111\u1ed1i c\u1ee7a m\u1ed9t c\u1ea1nh c\u1ee7a góc kia.<\/p>","answer":"<p>Hai góc xOy và x'Oy' là hai góc  <span style=\"color:#16a085;\"><strong>A.<\/strong> \u0111\u1ed1i \u0111\u1ec9nh<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-04-23 07:41:02","option_type":"txt","len":2},{"id":"7307","post_id":"5696","mon_id":"1158532","chapter_id":"1158546","question":"<p>Bi\u1ebft hai góc xOy và xOy' là hai góc k\u1ec1 bù. T\u1ed5ng s\u1ed1 \u0111o c\u1ee7a hai góc này b\u1eb1ng <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/><\/p><p><span class=\"svgedit\"><svg height=\"130\" width=\"270\"> <g><title><\/title><rect fill=\"#fff\" height=\"132\" id=\"canvas_background\" width=\"272\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_10\" 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=\"8.30625\" x2=\"254.30625\" y1=\"61\" y2=\"61.4375\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(40 135.1531219482422,60.21875) \" x1=\"52.30625\" x2=\"218\" y1=\"60\" y2=\"60.4375\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11.30625\" xml:space=\"preserve\" y=\"79.4375\">x<\/text> <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=\"242.30625\" xml:space=\"preserve\" y=\"80.4375\">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=\"88.30625\" xml:space=\"preserve\" y=\"18.4375\">y<\/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=\"162.30625\" xml:space=\"preserve\" y=\"118.4375\">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=\"150.30625\" xml:space=\"preserve\" y=\"55.4375\">O<\/text> <path fill=\"none\" fill-opacity=\"null\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path fill=\"none\" fill-opacity=\"null\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m112.30625,39.4375c-18,6 -6,23 -6.30625,22.5625\" fill=\"#fff\" fill-opacity=\"null\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m138.30624,50.43751c-28.86227,9.98746 -9.62076,38.28525 -10.11182,37.557\" fill=\"#fff\" fill-opacity=\"null\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" transform=\"rotate(-90 130.33489990234378,69.22291564941408) \"><\/path> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_11\" stroke=\"#000\" stroke-linecap=\"null\" stroke-linejoin=\"null\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"129.30625\" x2=\"120.30625\" y1=\"69.4375\" y2=\"84.4375\"><\/line> <\/g> <\/svg><\/span><\/p>","options":["120°","100°","180°","108°"],"correct":"3","level":"1","hint":"","answer":"<p>Vì hai góc xOy và xOy' là hai góc k\u1ec1 bù nên t\u1ed5ng s\u1ed1 \u0111o c\u1ee7a hai góc này b\u1eb1ng<span style=\"color:#16a085;\"> 180°<\/span><\/p>","type":"choose","extra_type":"star","time":"0","user_id":"131","test":"1","date":"2022-04-23 07:45:53","option_type":"txt","len":0},{"id":"7308","post_id":"5696","mon_id":"1158532","chapter_id":"1158546","question":"<p>Cho hình v\u1ebd, bi\u1ebft hai \u0111\u01b0\u1eddng th\u1eb3ng xx' và yy' c\u1eaft nhau t\u1ea1i O và góc x'Oy' có s\u1ed1 \u0111o b\u1eb1ng 39°. S\u1ed1 \u0111o góc xOy là <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/><\/p><p><span class=\"svgedit\"><svg height=\"130\" width=\"270\"> <g><title><\/title><rect fill=\"#fff\" height=\"132\" id=\"canvas_background\" width=\"272\" x=\"-1\" y=\"-1\"><\/rect> <g display=\"none\" id=\"canvasGrid\"> <rect fill=\"url(#gridpattern)\" height=\"100%\" id=\"svg_10\" 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=\"8.30625\" x2=\"254.30625\" y1=\"61\" y2=\"61.4375\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(40 135.1531219482422,60.21875) \" x1=\"52.30625\" x2=\"218\" y1=\"60\" y2=\"60.4375\"><\/line> <text fill=\"#000000\" fill-opacity=\"null\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"11.30625\" xml:space=\"preserve\" y=\"79.4375\">x<\/text> <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=\"242.30625\" xml:space=\"preserve\" y=\"80.4375\">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=\"88.30625\" xml:space=\"preserve\" y=\"18.4375\">y<\/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=\"162.30625\" xml:space=\"preserve\" y=\"118.4375\">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=\"123.30625\" xml:space=\"preserve\" y=\"87.4375\">O<\/text> <path fill=\"none\" fill-opacity=\"null\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path fill=\"none\" fill-opacity=\"null\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m112.30625,39.4375c-18,6 -6,23 -6.30625,22.5625\" fill=\"#fff\" fill-opacity=\"null\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m173.30625,60.4375c-18,6 -6,23 -6.30625,22.5625\" fill=\"#fff\" fill-opacity=\"null\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" transform=\"rotate(180 168.3349151611328,71.72289276123048) \"><\/path> <\/g> <\/svg><\/span><\/p>","options":["38°","141°","180°","39°"],"correct":"4","level":"1","hint":"<p>Hai góc \u0111\u1ed1i \u0111\u1ec9nh thì b\u1eb1ng nhau.<\/p>","answer":"<p>Hai góc xOy và x'Oy' là hai góc \u0111\u1ed1i \u0111\u1ec9nh nên có s\u1ed1 \u0111o b\u1eb1ng nhau.<\/p><p>Suy ra s\u1ed1 \u0111o góc  <span class=\"math-tex\">$\\widehat{xOy}=\\widehat{x’Oy’}=39^0$<\/span>.<\/p><p>\u0110áp án \u0111úng là<span style=\"color:#16a085;\"> 39°<\/span><\/p>","type":"choose","extra_type":"flower","time":"0","user_id":"131","test":"1","date":"2022-04-23 07:50:20","option_type":"txt","len":0}]}