Góc ở vị trí đặc biệt. Tia phân giác của một góc

Home Toán lớp 7 - tập 1 Góc và đường thẳng song song Bài 8: Góc ở vị trí đặc biệt. Tia phân giác của một góc.Bài tập trung bình

{"common":{"save":0,"post_id":"5677","level":2,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7026","post_id":"5677","mon_id":"1158532","chapter_id":"1158546","question":"V\u1ebd góc xOy và v\u1ebd tia Oz là tia \u0111\u1ed1i c\u1ee7a tia Oy. Khi \u0111ó góc xOy và góc nào sau \u0111ây là hai góc k\u1ec1 bù?<\/p>","options":["A. <\/strong>góc yOz","B. <\/strong>góc xOy","C. <\/strong>góc xOz"],"correct":"3","level":"2","hint":"Hai góc có m\u1ed9t c\u1ea1nh chung, hai c\u1ea1nh còn l\u1ea1i là hai tia \u0111\u1ed1i nhau \u0111\u01b0\u1ee3c g\u1ecdi là hai góc k\u1ec1 bù.<\/p>","answer":"T\u1eeb \u0111\u1ec1 bài ta có hình v\u1ebd<\/p><svg height=\"120\" width=\"230\"> <g> <title><\/title> <rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"232\" 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=\"2.9\" x2=\"225.9\" y1=\"87.44375\" y2=\"89.44375\"><\/line> <line fill=\"none\" id=\"svg_2\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"75.9\" x2=\"128.9\" y1=\"8.44375\" y2=\"89.44375\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_3\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"120.9\" xml:space=\"preserve\" y=\"116.44375\">O<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"66.9\" xml:space=\"preserve\" y=\"34.44375\">x<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"212.9\" xml:space=\"preserve\" y=\"104.44375\">y<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"20\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"8.9\" xml:space=\"preserve\" y=\"106.44375\">z<\/text> <\/g> <\/svg><\/span><\/p>Khi \u0111ó góc xOy và góc xOz là hai góc k\u1ec1 bù vì có chung c\u1ea1nh Ox, hai c\u1ea1nh Oy và Oz là hai tia \u0111\u1ed1i nhau.<\/p>\u0110áp án \u0111úng là C. <\/strong>góc xOz<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-04-11 02:15:54","option_type":"txt","len":2},{"id":"7028","post_id":"5677","mon_id":"1158532","chapter_id":"1158546","question":"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><svg height=\"169\" width=\"260\"> <g><title><\/title><rect fill=\"#fff\" height=\"171\" id=\"canvas_background\" width=\"262\" 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><line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"237.5\" x2=\"6.5\" y1=\"6.51989\" y2=\"148.51989\"><\/line> <line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"17.50001\" x2=\"241.5\" y1=\"30.51988\" y2=\"144.51989\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" text-anchor=\"start\" x=\"44.5\" xml:space=\"preserve\" y=\"38.51989\">x<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_5\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"239.5\" xml:space=\"preserve\" y=\"136.51989\">x'<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"233.5\" xml:space=\"preserve\" y=\"25.51989\">y'<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"22.5\" xml:space=\"preserve\" y=\"154.51989\">y<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" x=\"110.5\" xml:space=\"preserve\" y=\"110.51989\">0<\/text> <path d=\"m140.5,66.51989l0,0zc0,0 21,12 0,26\" fill=\"none\" fill-opacity=\"null\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path fill=\"none\" fill-opacity=\"null\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" style=\"vector-effect: non-scaling-stroke;\"><\/path> <path d=\"m91.43104,68.89919l0,0zc0,0 -30.59483,12.57295 0,27.24139\" fill=\"none\" fill-opacity=\"null\" id=\"svg_13\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <\/g> <\/svg><\/span><\/p>","options":["A.<\/strong> \u0111\u1ed1i \u0111\u1ec9nh","B.<\/strong> k\u1ec1 bù","C.<\/strong> bù nhau"],"correct":"1","level":"2","hint":"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":"Hai góc xOy và x'Oy' là hai góc \u0111\u1ed1i \u0111\u1ec9nh.<\/span><\/p>\u0110áp án \u0111úng là  A.<\/strong> \u0111\u1ed1i \u0111\u1ec9nh<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-04-11 02:26:30","option_type":"txt","len":2},{"id":"7029","post_id":"5677","mon_id":"1158532","chapter_id":"1158546","question":"Quan sát hình v\u1ebd và cho bi\u1ebft hai góc xOy và góc xOy' là hai góc <input class=\"_tit_hoi\" disabled=\"disabled\" type=\"text\"\/><\/p><svg height=\"162\" width=\"313\"> <g><title><\/title><rect fill=\"#fff\" height=\"164\" id=\"canvas_background\" width=\"315\" 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><line fill=\"none\" id=\"svg_1\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" x1=\"25.5\" x2=\"299.5\" y1=\"10.98011\" y2=\"150.98011\"><\/line> <line fill=\"none\" id=\"svg_3\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-width=\"1.5\" transform=\"rotate(11.328619003295898 154.32756042480491,90.15255737304682) \" x1=\"290.32756\" x2=\"18.32756\" y1=\"-3.84745\" y2=\"184.15255\"><\/line> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_4\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" transform=\"matrix(0.7841497659683228,0,0,0.7841497659683228,6.225507370257901,6.038220173214768) \" x=\"23.62367\" xml:space=\"preserve\" y=\"27.02532\">x\u200b\u200b\u200b\u200b\u200b\u200b<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_6\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" transform=\"matrix(0.7841497659683228,0,0,0.7841497659683228,6.225507370257901,6.038220173214768) \" x=\"337.33925\" xml:space=\"preserve\" y=\"196.63577\">x'\u200b\u200b\u200b\u200b\u200b\u200b<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" transform=\"matrix(0.7841497659683228,0,0,0.7841497659683228,6.225507370257901,6.038220173214768) \" x=\"325.86185\" xml:space=\"preserve\" y=\"33.40165\">y'\u200b\u200b\u200b\u200b\u200b\u200b<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-width=\"0\" style=\"cursor: move;\" text-anchor=\"start\" transform=\"matrix(0.7841497659683228,0,0,0.7841497659683228,6.225507370257901,6.038220173214768) \" x=\"3.2194\" xml:space=\"preserve\" y=\"174.95624\">y\u200b\u200b\u200b\u200b\u200b\u200b<\/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\" transform=\"matrix(1.2995120286941528,0,0,1.1713090757247713,-48.52094864845276,-19.871203415997705) \" x=\"162.76952\" xml:space=\"preserve\" y=\"115.51915\">0<\/text> <path d=\"m129.25874,102.19315c-15.17234,-25.51711 11.03443,-31.72398 10.74057,-31.84867\" fill=\"none\" fill-opacity=\"null\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m138.22422,70.46917c40.68945,-24.82746 63.44796,-1.3793 63.15409,-1.50399\" fill=\"none\" fill-opacity=\"null\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <line fill=\"none\" fill-opacity=\"null\" id=\"svg_12\" stroke=\"#000\" stroke-linecap=\"undefined\" stroke-linejoin=\"undefined\" stroke-opacity=\"null\" stroke-width=\"1.5\" x1=\"175.11103\" x2=\"175.11103\" y1=\"52.10025\" y2=\"63.76686\"><\/line> <\/g> <\/svg><\/span><\/p>","options":["A. <\/strong>\u0111\u1ed1i \u0111\u1ec9nh","B. <\/strong>b\u1eb1ng nhau","C. <\/strong>k\u1ec1 bù"],"correct":"3","level":"2","hint":"Hai góc có m\u1ed9t c\u1ea1nh chung, hai c\u1ea1nh còn l\u1ea1i là hai tia \u0111\u1ed1i nhau \u0111\u01b0\u1ee3c g\u1ecdi là hai góc k\u1ec1 bù.<\/p>","answer":"Hai góc xOy và góc xOy' là hai góc k\u1ec1 bù.<\/span><\/p>\u0110áp án \u0111úng là  C. <\/strong>k\u1ec1 bù<\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"131","test":"1","date":"2022-04-11 02:29:40","option_type":"txt","len":1}]}