<\/ins><\/p>\n\n\n\n\u2013 C\u00e1c vect\u01a1 c\u00f9ng ph\u01b0\u01a1ng:\n<\/p>\n\n\n\n
a\u2192 v\u00e0 b\u2192 c\u00f9ng ph\u01b0\u01a1ng \n<\/p>\n\n\n\n
u\u2192 v\u00e0 v\u2192 c\u00f9ng ph\u01b0\u01a1ng \n<\/p>\n\n\n\n
x\u2192, y\u2192, w\u2192 v\u00e0 z\u2192 c\u00f9ng ph\u01b0\u01a1ng. \n<\/p>\n\n\n\n
\u2013 C\u00e1c vect\u01a1 c\u00f9ng h\u01b0\u1edbng:\n<\/p>\n\n\n\n
a\u2192 v\u00e0 b\u2192 c\u00f9ng h\u01b0\u1edbng \n<\/p>\n\n\n\n
x\u2192, y\u2192 v\u00e0 z\u2192 c\u00f9ng h\u01b0\u1edbng \n<\/p>\n\n\n\n
\u2013 C\u00e1c vect\u01a1 ng\u01b0\u1ee3c h\u01b0\u1edbng:\n<\/p>\n\n\n\n
u\u2192 v\u00e0 v\u2192 ng\u01b0\u1ee3c h\u01b0\u1edbng \n<\/p>\n\n\n\n
w\u2192 ng\u01b0\u1ee3c h\u01b0\u1edbng v\u1edbi c\u00e1c vec t\u01a1 x\u2192, y\u2192 v\u00e0 z\u2192 \n<\/p>\n\n\n\n
\u2013 C\u00e1c vect\u01a1 b\u1eb1ng nhau: x\u2192 = y\u2192\n<\/p>\n\n\n\n
Ki\u1ebfn th\u1ee9c \u00e1p d\u1ee5ng<\/strong><\/p>\n\n\n\n+ Hai vec t\u01a1 c\u00f9ng ph\u01b0\u01a1ng l\u00e0 hai vec t\u01a1 c\u00f3 gi\u00e1 song song <\/p>\n\n\n\n
+ Hai vec t\u01a1 c\u00f9ng ph\u01b0\u01a1ng s\u1ebd c\u00f9ng h\u01b0\u1edbng ho\u1eb7c ng\u01b0\u1ee3c h\u01b0\u1edbng. <\/p>\n\n\n\n
+ Hai vec t\u01a1 b\u1eb1ng nhau l\u00e0 hai vec t\u01a1 c\u00f9ng h\u01b0\u1edbng v\u00e0 c\u00f3 \u0111\u1ed9 d\u00e0i b\u1eb1ng nhau. <\/p>\n\n\n\n <\/figure>\n\n\n\nB\u00e0i 3 (trang 7 SGK H\u00ecnh h\u1ecdc 10):<\/strong> Cho t\u1ee9 gi\u00e1c ABCD. Ch\u1ee9ng minh r\u1eb1ng t\u1ee9 gi\u00e1c \u0111\u00f3 l\u00e0 h\u00ecnh b\u00ecnh h\u00e0nh khi v\u00e0 ch\u1ec9 khi \n<\/p>\n\n\n\nL\u1eddi gi\u1ea3i:<\/strong><\/ins><\/p>\n\n\n\n <\/figure>\n\n\n\n <\/figure>\n\n\n\nKi\u1ebfn th\u1ee9c \u00e1p d\u1ee5ng<\/strong><\/p>\n\n\n\nHai vec t\u01a1 b\u1eb1ng nhau n\u1ebfu ch\u00fang c\u00f9ng h\u01b0\u1edbng v\u00e0 c\u00f3 \u0111\u1ed9 d\u00e0i b\u1eb1ng nhau. <\/p>\n\n\n\n
B\u00e0i 4 (trang 7 SGK H\u00ecnh h\u1ecdc 10):<\/strong> Cho l\u1ee5c gi\u00e1c \u0111\u1ec1u ABCDEF c\u00f3 t\u00e2m O.<\/p>\n\n\n\na) T\u00ecm c\u00e1c vect\u01a1 kh\u00e1c vect\u01a1 O<\/em>\u2192 v\u00e0 c\u00f9ng ph\u01b0\u01a1ng v\u1edbi vect\u01a1 OA<\/em>\u2192.<\/p>\n\n\n\nb) T\u00ecm c\u00e1c vect\u01a1 b\u1eb1ng vect\u01a1 AB<\/em>\u2192.<\/p>\n\n\n\nL\u1eddi gi\u1ea3i:<\/strong><\/ins><\/p>\n\n\n\n <\/figure>\n\n\n\na) C\u00e1c vect\u01a1 kh\u00e1c vect\u01a1 O<\/em>\u2192 v\u00e0 c\u00f9ng ph\u01b0\u01a1ng v\u1edbi vect\u01a1 OA<\/em>\u2192 l\u00e0:<\/p>\n\n\n\n <\/figure>\n\n\n\nb) C\u00e1c vect\u01a1 b\u1eb1ng vect\u01a1 AB<\/em>\u2192 l\u00e0:<\/p>\n\n\n\n <\/figure>\n\n\n\nKi\u1ebfn th\u1ee9c \u00e1p d\u1ee5ng<\/strong><\/p>\n\n\n\n+ Hai vec t\u01a1 c\u00f9ng ph\u01b0\u01a1ng l\u00e0 hai vec t\u01a1 c\u00f3 gi\u00e1 song song v\u1edbi nhau ho\u1eb7c tr\u00f9ng nhau <\/p>\n\n\n\n
+ Hai vec t\u01a1 b\u1eb1ng nhau l\u00e0 hai vec t\u01a1 c\u00f3 c\u00f9ng h\u01b0\u1edbng v\u00e0 c\u00f3 \u0111\u1ed9 d\u00e0i b\u1eb1ng nhau. <\/p>\n","protected":false},"excerpt":{"rendered":"
Tr\u1ea3 l\u1eddi c\u00e2u h\u1ecfi To\u00e1n 10 H\u00ecnh h\u1ecdc B\u00e0i 1 trang 4: V\u1edbi hai \u0111i\u1ec3m A, B ph\u00e2n bi\u1ec7t ta c\u00f3 \u0111\u01b0\u1ee3c bao nhi\u00eau vect\u01a1 c\u00f3 \u0111i\u1ec3m \u0111\u1ea7u v\u00e0 \u0111i\u1ec3m cu\u1ed1i l\u00e0 A ho\u1eb7c B. L\u1eddi gi\u1ea3i V\u1edbi hai \u0111i\u1ec3m A, B ph\u00e2n bi\u1ec7t ta c\u00f3 \u0111\u01b0\u1ee3c 2 vect\u01a1 c\u00f3 \u0111i\u1ec3m \u0111\u1ea7u v\u00e0 \u0111i\u1ec3m cu\u1ed1i […]<\/p>\n","protected":false},"author":12,"featured_media":44373,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[1633],"tags":[],"yoast_head":"\n
[Gi\u1ea3i To\u00e1n 10] Ch\u01b0\u01a1ng 1: Vect\u01a1\/ B\u00e0i 1: C\u00e1c \u0111\u1ecbnh ngh\u0129a<\/title>\n \n \n \n \n \n \n \n \n \n \n \n\t \n\t \n\t \n \n \n \n\t \n\t \n\t \n