Hình có trục đối xứng

Home Toán lớp 6 (Sách KNTT)Toán lớp 6 Tập 1 Bài 21: Hình có trục đối xứngBài tập cơ bản

{"common":{"save":0,"post_id":"4636","level":1,"total":10,"point":10,"point_extra":0},"segment":[{"id":"7005","post_id":"4636","mon_id":"1158113","chapter_id":"1158130","question":"Hình nào d\u01b0\u1edbi \u0111ây có tr\u1ee5c \u0111\u1ed1i x\u1ee9ng?<\/p><svg height=\"120\" width=\"400\"> <g><title><\/title><rect fill=\"#fff\" height=\"122\" id=\"canvas_background\" width=\"402\" 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><path d=\"m62.34074,26.35257c18.34714,-43.11748 90.23182,0 0,55.43676c-90.23182,-55.43676 -18.34714,-98.55424 0,-55.43676z\" fill=\"#ff5656\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <path d=\"m119.0055,78.81887l52.49999,-73l52.49999,73l-104.99998,0z\" fill=\"#ffff56\" id=\"svg_2\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <path d=\"m237.71549,23.1257l0,0c0,-5.4952 7.3873,-9.94994 16.5,-9.94994l7.5,0l0,0l36.00001,0l67.49999,0c4.37608,0 8.57292,1.04829 11.66728,2.91427c3.09434,1.86598 4.83273,4.39678 4.83273,7.03567l0,24.87484l0,0l0,14.9249l0,0c0,5.4952 -7.3873,9.94994 -16.5,9.94994l-67.49999,0l-47.02957,25.30038l11.02956,-25.30038l-7.5,0c-9.1127,0 -16.5,-4.45473 -16.5,-9.94994l0,0l0,-14.9249l0,0l0,-24.87484z\" fill=\"#aaff56\" id=\"svg_3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"52.9\" xml:space=\"preserve\" y=\"111.85\">1<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"164.9\" xml:space=\"preserve\" y=\"110.85\">2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" font-weight=\"bold\" id=\"svg_6\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"313.9\" xml:space=\"preserve\" y=\"104.85\">3<\/text> <\/g> <\/svg><\/span><\/p>","options":["Hình 1","Hình 2","Hình 3","Hình 1 và hình 2"],"correct":"4","level":"1","hint":"Em hãy ki\u1ec3m tra các hình trên có tính ch\u1ea5t c\u1ee7a hình có tr\u1ee5c \u0111\u1ed1i x\u1ee9ng không:<\/p>+ Có m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng d chia hình thành hai ph\u1ea7n mà n\u1ebfu "g\u1ea5p" hình theo \u0111\u01b0\u1eddng th\u1eb3ng d thì hai ph\u1ea7n \u0111ó "ch\u1ed3ng khít" lên nhau.<\/p>+ \u0110\u01b0\u1eddng th\u1eb3ng d \u0111\u01b0\u1ee3c g\u1ecdi là tr\u1ee5c \u0111\u1ed1i x\u1ee9ng c\u1ee7a hình \u0111ó.<\/p>","answer":"Quan sát hình v\u1ebd ta th\u1ea5y có:<\/p>+ Hai hình có tr\u1ee5c \u0111\u1ed1i x\u1ee9ng là hình 1 và hình 2<\/p>+ Hình không có tr\u1ee5c \u0111\u1ed1i x\u1ee9ng là hình 3<\/p>V\u1eady \u0111áp án là Hình 1 và hình 2<\/strong><\/span><\/p>","type":"choose","extra_type":"classic","time":"0","user_id":"132","test":"3","date":"2021-09-01 00:16:16","option_type":"txt","len":2},{"id":"7007","post_id":"4636","mon_id":"1158113","chapter_id":"1158130","question":"Hình nào d\u01b0\u1edbi \u0111ây có tr\u1ee5c \u0111\u1ed1i x\u1ee9ng?<\/p><svg height=\"140\" width=\"400\"> <g><title><\/title><rect fill=\"#fff\" height=\"142\" id=\"canvas_background\" width=\"402\" 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><path d=\"m297.7805,45.3811l35.90506,0l11.09494,-33.6131l11.09495,33.6131l35.90506,0l-29.04775,20.7738l11.09551,33.6131l-29.04777,-20.77437l-29.04776,20.77437l11.09552,-33.6131l-29.04776,-20.7738z\" fill=\"#ffff56\" id=\"svg_1\" stroke=\"#000\" stroke-width=\"1.5\"><\/path> <path d=\"m17.13052,107.61577l0,-52.87501l0,0c0,-22.71271 16.45354,-41.12501 36.75001,-41.12501l0,0l0,0c9.74671,0 19.09422,4.3328 25.98619,12.04524c6.89197,7.71243 10.76382,18.17274 10.76382,29.07977l0,5.875l10.49999,0l-20.99999,23.50001l-21.00001,-23.50001l10.5,0l0,-5.875c0,-9.73402 -7.05152,-17.625 -15.75,-17.625l0,0l0,0c-8.69849,0 -15.75,7.89098 -15.75,17.625l0,52.87501l-21.00001,0z\" fill=\"#aaffaa\" id=\"svg_2\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m110.6705,83.39075l40.50003,-21l0,10.5l60.74996,0l0,-31.5l-20.25,0l40.5,-21l40.5,21l-20.25,0l0,52.5l-101.24995,0l0,10.5l-40.50003,-21l-0.00001,0z\" fill=\"#ffaa56\" id=\"svg_6\" stroke=\"#000000\" stroke-width=\"1.5\"><\/path> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_7\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"45.9\" xml:space=\"preserve\" y=\"129.85\">1<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"191.9\" xml:space=\"preserve\" y=\"125.85\">2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"24\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"338.9\" xml:space=\"preserve\" y=\"122.85\">3<\/text> <\/g> <\/svg><\/span><\/p>","options":["Hình 1","Hình 2","Hình 3"],"correct":"3","level":"1","hint":"Em hãy ki\u1ec3m tra các hình trên có tính ch\u1ea5t c\u1ee7a hình có tr\u1ee5c \u0111\u1ed1i x\u1ee9ng không:<\/p>+ Có m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng d chia hình thành hai ph\u1ea7n mà n\u1ebfu "g\u1ea5p" hình theo \u0111\u01b0\u1eddng th\u1eb3ng d thì hai ph\u1ea7n \u0111ó "ch\u1ed3ng khít" lên nhau.<\/p>+ \u0110\u01b0\u1eddng th\u1eb3ng d \u0111\u01b0\u1ee3c g\u1ecdi là tr\u1ee5c \u0111\u1ed1i x\u1ee9ng c\u1ee7a hình \u0111ó.<\/p>","answer":"Quan sát hình v\u1ebd ta th\u1ea5y có:<\/p>+ Hai hình không có tr\u1ee5c \u0111\u1ed1i x\u1ee9ng là hình 1 và hình 2.<\/p>+ M\u1ed9t hình có tr\u1ee5c \u0111\u1ed1i x\u1ee9ng là hình 3<\/p>V\u1eady \u0111áp án là Hình 3<\/span><\/strong><\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"132","test":"3","date":"2021-09-01 00:27:03","option_type":"txt","len":0},{"id":"7009","post_id":"4636","mon_id":"1158113","chapter_id":"1158130","question":"Trong các hình sau, có bao nhiêu hình có tr\u1ee5c \u0111\u1ed1i x\u1ee9ng?<\/p><svg height=\"260\" width=\"400\"> <g><title><\/title><rect fill=\"#fff\" height=\"262\" id=\"canvas_background\" width=\"402\" 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><path d=\"m14.7805,39.67154l23.43133,-24.89579l33.13732,0l23.43133,24.89579l0,35.20841l-23.43133,24.8958l-33.13732,0l-23.43133,-24.8958l0,-35.20841z\" fill=\"#d4ffaa\" id=\"svg_2\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m153.0205,99.67576l0,-49.5l0,0c0,-21.26296 16.06178,-38.5 35.875,-38.5l0,0l0,0c9.51464,0 18.63959,4.05624 25.36746,11.27639c6.72787,7.22015 10.50754,17.01278 10.50754,27.22361l0,5.5l10.24999,0l-20.49999,22.00001l-20.50001,-22.00001l10.25,0l0,-5.5c0,-9.1127 -6.88363,-16.5 -15.375,-16.5l0,0l0,0c-8.49138,0 -15.375,7.3873 -15.375,16.5l0,49.5l-20.5,0z\" fill=\"#aaffff\" id=\"svg_3\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" transform=\"rotate(180 194.02049255371094,55.67576217651367) \"><\/path> <path d=\"m292.5605,40.15082l28.75262,0l0,-30.40508l29.49473,0l0,30.40508l28.75262,0l0,31.18984l-28.75262,0l0,30.40508l-29.49473,0l0,-30.40508l-28.75262,0l0,-31.18984z\" fill=\"#ffd4aa\" id=\"svg_4\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\"><\/path> <path d=\"m17.69049,154.69955l0,0c0,-5.30125 4.77097,-9.59876 10.65625,-9.59876l4.84375,0l0,0l23.25,0l43.59374,0c2.82622,0 5.53668,1.01129 7.53512,2.81141c1.99843,1.80012 3.12114,4.2416 3.12114,6.78735l0,23.99691l0,0l0,14.39814l0,0c0,5.30125 -4.77096,9.59876 -10.65625,9.59876l-43.59374,0l-30.37326,24.40742l7.12326,-24.40742l-4.84375,0c-5.88528,0 -10.65625,-4.29751 -10.65625,-9.59876l0,0l0,-14.39814l0,0l0,-23.99691z\" fill=\"#ffff56\" id=\"svg_5\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"1.5\" transform=\"rotate(180 64.19049072265625,186.1007843017578) \"><\/path> <path d=\"m238.07573,178.22377c15.66721,-44.29878 77.05188,0 0,56.95557c-77.05188,-56.95557 -15.66721,-101.25435 0,-56.95557z\" fill=\"#ff5656\" id=\"svg_6\" stroke=\"#ff5656\" stroke-width=\"1.5\"><\/path> <path d=\"m291.88073,180.90266c21.85164,-53.15854 107.4671,0 0,68.34669c-107.4671,-68.34669 -21.85164,-121.50523 0,-68.34669z\" fill=\"#ff5656\" id=\"svg_7\" stroke=\"#ff5656\" stroke-width=\"1.5\"><\/path> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_8\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"48.9\" xml:space=\"preserve\" y=\"122.85\">1<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_9\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"190.9\" xml:space=\"preserve\" y=\"124.85\">2<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_10\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"330.9\" xml:space=\"preserve\" y=\"122.85\">3<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_11\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"55.9\" xml:space=\"preserve\" y=\"246.85\">4<\/text> <text fill=\"#000000\" font-family=\"Helvetica, Arial, sans-serif\" font-size=\"18\" id=\"svg_12\" stroke=\"#000\" stroke-opacity=\"null\" stroke-width=\"0\" text-anchor=\"start\" x=\"246.9\" xml:space=\"preserve\" y=\"248.85\">5<\/text> <\/g> <\/svg><\/span><\/p>","options":["3","2","4","1"],"correct":"2","level":"1","hint":"Em hãy ki\u1ec3m tra các hình trên có tính ch\u1ea5t c\u1ee7a hình có tr\u1ee5c \u0111\u1ed1i x\u1ee9ng không:<\/p>+ Có m\u1ed9t \u0111\u01b0\u1eddng th\u1eb3ng d chia hình thành hai ph\u1ea7n mà n\u1ebfu "g\u1ea5p" hình theo \u0111\u01b0\u1eddng th\u1eb3ng d thì hai ph\u1ea7n \u0111ó "ch\u1ed3ng khít" lên nhau.<\/p>+ \u0110\u01b0\u1eddng th\u1eb3ng d \u0111\u01b0\u1ee3c g\u1ecdi là tr\u1ee5c \u0111\u1ed1i x\u1ee9ng c\u1ee7a hình \u0111ó.<\/p>Sau \u0111ó \u0111\u1ebfm xem có bao nhiêu hình có tr\u1ee5c \u0111\u1ed1i x\u1ee9ng.<\/p>","answer":"Quan sát hình v\u1ebd ta th\u1ea5y có:<\/p>+ Hai hình có tr\u1ee5c \u0111\u1ed1i x\u1ee9ng là hình 1 và hình 3<\/p>+ Ba hình không có tr\u1ee5c \u0111\u1ed1i x\u1ee9ng là hình 2, hình 4 và hình 5<\/p>V\u1eady \u0111áp án là 2.<\/strong><\/span><\/p>","type":"choose","extra_type":"shape2","time":"0","user_id":"132","test":"3","date":"2021-09-01 00:39:08","option_type":"txt","len":0}]}