H\u00ecnh h\u1ecdc - Ch\u01b0\u01a1ng 2 - \u00d4n t\u1eadp ch\u01b0\u01a1ng 2 - C\u00e2u h\u1ecfi t\u1ef1 ki\u1ec3m tra<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/hinh-hoc-chuong-2-on-tap-chuong-2-cau-hoi-tu-kiem-tra\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u00ecnh h\u1ecdc - Ch\u01b0\u01a1ng 2 - \u00d4n t\u1eadp ch\u01b0\u01a1ng 2 - C\u00e2u h\u1ecfi t\u1ef1 ki\u1ec3m tra\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 (trang 62 sgk H\u00ecnh H\u1ecdc 12 n\u00e2ng cao): Trong c\u00e1c m\u1ec7nh \u0111\u1ec1 sau \u0111\u00e2y, m\u1ec7nh \u0111\u1ec1 n\u00e0o \u0111\u00fang? a) M\u1eb7t c\u1ea7u, kh\u1ed1i c\u1ea7u \u0111\u1ec1u c\u00f3 v\u00f4 s\u1ed1 m\u1eb7t ph\u1eb3ng \u0111\u1ed1i x\u1ee9ng. b) M\u1ecdi t\u1ee9 di\u1ec7n lu\u00f4n c\u00f3 c\u1ea1nh b\u00ean b\u1eb1ng nhau \u0111\u1ec1u c\u00f3 m\u1eb7t c\u1ea7u ngo\u1ea1i ti\u1ebfp. c) M\u1ecdi h\u00ecnh ch\u00f3p c\u00f3 c\u1ea1nh […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/lop12.edu.vn\/hinh-hoc-chuong-2-on-tap-chuong-2-cau-hoi-tu-kiem-tra\/\" \/>\n<meta property=\"og:site_name\" content=\"Lop12.edu.vn - 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{"id":22192,"date":"2018-03-17T10:38:20","date_gmt":"2018-03-17T03:38:20","guid":{"rendered":"https:\/\/lop12.edu.vn\/?p=22192"},"modified":"2018-03-17T10:38:20","modified_gmt":"2018-03-17T03:38:20","slug":"hinh-hoc-chuong-2-on-tap-chuong-2-cau-hoi-tu-kiem-tra","status":"publish","type":"post","link":"https:\/\/lop12.edu.vn\/hinh-hoc-chuong-2-on-tap-chuong-2-cau-hoi-tu-kiem-tra\/","title":{"rendered":"H\u00ecnh h\u1ecdc – Ch\u01b0\u01a1ng 2 – \u00d4n t\u1eadp ch\u01b0\u01a1ng 2 – C\u00e2u h\u1ecfi t\u1ef1 ki\u1ec3m tra"},"content":{"rendered":"

B\u00e0i 1 (trang 62 sgk H\u00ecnh H\u1ecdc 12 n\u00e2ng cao):<\/b><\/p>\n

Trong c\u00e1c m\u1ec7nh \u0111\u1ec1 sau \u0111\u00e2y, m\u1ec7nh \u0111\u1ec1 n\u00e0o \u0111\u00fang?<\/p>\n

a) M\u1eb7t c\u1ea7u, kh\u1ed1i c\u1ea7u \u0111\u1ec1u c\u00f3 v\u00f4 s\u1ed1 m\u1eb7t ph\u1eb3ng \u0111\u1ed1i x\u1ee9ng.<\/p>\n

b) M\u1ecdi t\u1ee9 di\u1ec7n lu\u00f4n c\u00f3 c\u1ea1nh b\u00ean b\u1eb1ng nhau \u0111\u1ec1u c\u00f3 m\u1eb7t c\u1ea7u ngo\u1ea1i ti\u1ebfp.<\/p>\n

c) M\u1ecdi h\u00ecnh ch\u00f3p c\u00f3 c\u1ea1nh b\u00ean b\u1eb1ng nahu \u0111\u1ec1u c\u00f3 m\u1eb7t c\u1ea7u ngo\u1ea1i ti\u1ebfp.<\/p>\n

d) M\u1ecdi h\u00ecnh h\u1ed9p \u0111\u1ee9ng \u0111\u1ec1u c\u00f3 m\u1eb7t c\u1ea7u ngo\u1ea1i ti\u1ebfp.<\/p>\n

e) M\u1eb7t n\u00f3n, h\u00ednh n\u00f3n, kh\u1ed1i n\u00f3n \u0111\u1ec1u c\u00f3 v\u00f4 s\u1ed1 m\u1eb7t \u0111\u1ed1i x\u1ee9ng.<\/p>\n

f) M\u1eb7t tr\u1ee5, h\u00ecnh tr\u1ee5, kh\u1ed1i tr\u1ee5 \u0111\u1ec1u c\u00f3 duy nh\u1ea5t m\u1ed9t m\u1eb7t ph\u1eb3ng \u0111\u1ed1i x\u1ee9ng.<\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

C\u00e1c c\u00e2u \u0111\u00fang: a, b, c, e.<\/p>\n

a) \u0110\u00fang: m\u1ed7i m\u1eb7t ph\u1eb3ng \u0111i qua t\u00e2m c\u1ee7a m\u1eb7t c\u1ea7u, kh\u1ed1i c\u1ea7u \u0111\u1ec1u l\u00e0 m\u1ed9t m\u1eb7t ph\u1eb3ng \u0111\u00f3i x\u1ee9ng c\u1ee7a m\u1eb7t c\u1ea7y, kh\u1ed1i c\u1ea7u \u0111\u00f3.<\/p>\n

b) \u0110\u00fang: x\u00e9t t\u1ee9 di\u1ec7n ABCD, g\u1ecdi tr\u1ee5c c\u1ee7a \u0111\u01b0\u1eddng tr\u00f2n ngo\u1ea1i ti\u1ebfp \u0394BCD l\u00e0 \u0394 m\u1eb7t ph\u1eb3ng trung tr\u1ef1c c\u1ee7a \u0111o\u1ea1n AC l\u00e0 (\u03b1) th\u00ec I = \u0394\u2229(\u03b1) l\u00e0 t\u00e2m m\u1eb7t c\u00e2u ngo\u1ea1i ti\u1ebfp t\u1ee9 di\u1ec7n ABCD.<\/p>\n

c) \u0110\u00fang. T\u00e2m c\u1ee7a m\u1eb7t c\u1ea7u ngo\u1ea1i ti\u1ebfp l\u00e0 giao \u0111i\u1ec3m c\u1ee7a \u0111\u01b0\u1eddng trong ngo\u1ea1i ti\u1ebfp \u0111\u00e1y v\u00e0 m\u1eb7t ph\u1eb3ng trung tr\u1ef1c c\u1ee7a m\u1ed9t c\u1ea1nh n\u00ean c\u1ee7a h\u00ecnh ch\u00f3p.<\/p>\n

d) Sai. Ch\u1eb3ng h\u1ea1n h\u00ecnh h\u1ed9p ABCD.A\u2019B\u2019C\u2019D\u2019 c\u00f3 \u0111\u00e1y ABCD l\u00e0 h\u00ecnh thoi ABCD v\u1edbi g\u00f3c BAD=60^{o<\/sup>\u00a0trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y n\u00eau c\u00f3 m\u1eb7t c\u1ea7u ngo\u1ea1i ti\u1ebfp h\u00ecnh h\u1ed9p \u0111\u1ee9ng ABCD.A\u2019B\u2019C\u2019D\u2019 th\u00ec t\u1ee9 gi\u00e1c ABCD n\u1ed9i ti\u1ebfp m\u1ed9t \u0111\u01b0\u1eddng tr\u00f2n \u2013 v\u00f4 l\u00ed.<\/p>\n}

e) \u0110\u00fang. M\u1ed7i m\u1eb7t ph\u1eb3ng \u0111i qua trung tr\u1ef1c c\u1ee7a m\u1eb7t n\u00f3n \u0111\u1ec1u l\u00e0 m\u1ed9t m\u1eb7t ph\u1eb3ng \u0111\u1ed1i x\u1ee9ng c\u1ee7a m\u1eb7t n\u00f3n, h\u00ecnh n\u00f3n, kh\u00f3i n\u00f3n t\u01b0\u01a1ng \u1ee9ng.<\/p>\n

f) Sai. C\u00f3 v\u00f4 s\u1ed1 m\u1eb7t ph\u1eb3ng \u0111\u1ed1i x\u01b0ng, m\u1ed7i m\u1eb7t m\u1eb7t ph\u1eb3ng \u0111i qua trung tr\u1ef1c c\u1ee7a m\u1eb7t ph\u1eb3ng \u0111\u1ed1i x\u1ee9ng c\u1ee7a m\u1eb7t tr\u1ee5, h\u00ecnh tr\u1ee5, kh\u1ed1i tr\u1ee5 t\u01b0\u01a1ng \u1ee9ng.<\/p>\n

B\u00e0i 2 (trang 62 sgk H\u00ecnh H\u1ecdc 12 n\u00e2ng cao)<\/b><\/p>\n

Trong c\u00e1c m\u1ec7nh \u0111\u1ec1 sau \u0111\u00e2y, m\u1ec7nh \u0111\u1ec1 n\u00e0o \u0111\u00fang?<\/p>\n

a) M\u1ecdi \u0111\u01b0\u1eddng th\u1eb3ng \u0111\u1ec1u c\u00f3 chung v\u1edbi m\u1eb7t tr\u1ee5 (ho\u1eb7c m\u1eb7t n\u00f3n) nhi\u1ec1u nh\u1ea5t l\u00e0 hai \u0111i\u1ec3m.<\/p>\n

b) M\u1eb7t tr\u1ee5 v\u00e0 m\u1eb7t n\u00f3n c\u00f3 ch\u1ee9a c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng.<\/p>\n

c) M\u1ecdi \u0111\u01b0\u1eddng tr\u00f2n l\u1edbn c\u1ee7a m\u1eb7t c\u1ea7u \u0111\u1ec1u \u0111i qua hai \u0111i\u1ec3m c\u1ed1 \u0111\u1ecbnh.<\/p>\n

d) Hai \u0111\u01b0\u1eddng tr\u00f2n ph\u00e2n bi\u1ec7t c\u00f9ng n\u1eb1m tr\u00ean m\u1ed9t m\u1eb7t n\u00f3n c\u00f3 b\u00e1n k\u00ednh kh\u00e1c nhau.<\/p>\n

L\u1eddi gi\u1ea3i:<\/b><\/p>\n

C\u00e2u \u0111\u00fang l\u00e0 b, d<\/p>\n

a) Sai. \u0110\u01b0\u1eddng sinh n\u1eb1m tr\u1ecdn trong m\u1eb7t tr\u1ee5 (m\u1eb7t n\u00f3n).<\/p>\n

b) \u0110\u00fang. M\u1eb7t tr\u1ee5,m\u1eb7t n\u00f3n \u0111\u1ec1u ch\u1ee9a \u0111\u01b0\u1eddng sinh c\u1ee7a ch\u00fang.<\/p>\n

c) Sai. Gi\u1ea3 s\u1eed c\u00f3 hai \u0111i\u1ec3m c\u1ed1 \u0111\u1ecbnh A v\u00e0 B thu\u1ed9c m\u1eb7t c\u1ea7u S(O, R). x\u00e9t m\u1eb7t ph\u1eb3ng trung tr\u1ef1c c\u1ee7a AB, m\u1eb7t ph\u1eb3ng n\u00e0y ch\u1ee9a m\u1ed9t \u0111\u01b0\u1eddng tr\u00f2n l\u1edbn c\u1ee7a S (O, R) m\u00e0 \u0111\u01b0\u1eddng tr\u00f2n n\u00e0y kh\u00f4ng \u0111i qua A v\u00e0 B.<\/p>\n

d) \u0110\u00fang. V\u00ec \u0111\u00f3 l\u00e0 hai \u0111\u01b0\u1eddng tr\u00f2n \u0111\u00e1y c\u1ee7a m\u1ed9t h\u00ecnh tr\u1ee5.<\/p>\n

e) Sai\/ v\u00ec hai \u0111\u01b0\u1eddng tr\u00f2n nh\u01b0 th\u1ebf m\u00e0 n\u1eb1m tr\u00ean hai m\u1eb7t ph\u1eb3ng c\u00e1c \u0111\u1ec1u \u0111\u1ec9nh c\u1ee7a h\u00ednh n\u00f3n s\u1ebd c\u00f3 b\u00e1n k\u00ednh b\u1eb1ng nhau.<\/p>\n","protected":false},"excerpt":{"rendered":"

B\u00e0i 1 (trang 62 sgk H\u00ecnh H\u1ecdc 12 n\u00e2ng cao): Trong c\u00e1c m\u1ec7nh \u0111\u1ec1 sau \u0111\u00e2y, m\u1ec7nh \u0111\u1ec1 n\u00e0o \u0111\u00fang? a) M\u1eb7t c\u1ea7u, kh\u1ed1i c\u1ea7u \u0111\u1ec1u c\u00f3 v\u00f4 s\u1ed1 m\u1eb7t ph\u1eb3ng \u0111\u1ed1i x\u1ee9ng. b) M\u1ecdi t\u1ee9 di\u1ec7n lu\u00f4n c\u00f3 c\u1ea1nh b\u00ean b\u1eb1ng nhau \u0111\u1ec1u c\u00f3 m\u1eb7t c\u1ea7u ngo\u1ea1i ti\u1ebfp. c) M\u1ecdi h\u00ecnh ch\u00f3p c\u00f3 c\u1ea1nh […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1302],"tags":[1392,1393],"yoast_head":"\nH\u00ecnh h\u1ecdc - Ch\u01b0\u01a1ng 2 - \u00d4n t\u1eadp ch\u01b0\u01a1ng 2 - C\u00e2u h\u1ecfi t\u1ef1 ki\u1ec3m tra<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/lop12.edu.vn\/hinh-hoc-chuong-2-on-tap-chuong-2-cau-hoi-tu-kiem-tra\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"H\u00ecnh h\u1ecdc - Ch\u01b0\u01a1ng 2 - \u00d4n t\u1eadp ch\u01b0\u01a1ng 2 - C\u00e2u h\u1ecfi t\u1ef1 ki\u1ec3m tra\" \/>\n<meta property=\"og:description\" content=\"B\u00e0i 1 (trang 62 sgk H\u00ecnh H\u1ecdc 12 n\u00e2ng cao): Trong c\u00e1c m\u1ec7nh \u0111\u1ec1 sau \u0111\u00e2y, m\u1ec7nh \u0111\u1ec1 n\u00e0o \u0111\u00fang? 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