Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n<\/p>\n<\/div>\n
C\u00e2u 6 (1.0 \u0111i\u1ec3m)<\/strong><\/p>\n Tr\u00ean m\u1eb7t ph\u1eb3ng v\u1edbi h\u1ec7 t\u1ecda \u0111\u1ed9 Oxy cho c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng d: x \u2013 y + 2 = 0; d\u2019: 2x + y \u2013 5 = 0. T\u00ecm t\u1ecda \u0111\u1ed9 \u0111i\u1ec3m A tr\u00ean d v\u00e0 \u0111i\u1ec3m B tr\u00ean d\u2019 sao cho \u0111\u01b0\u1eddng th\u1eb3ng AB vu\u00f4ng g\u00f3c v\u1edbi d \u0111\u1ed3ng th\u1eddi \u0111o\u1ea1n th\u1eb3ng AB c\u00f3 \u0111\u1ed9 d\u00e0i b\u1eb1ng 2\u221a2.<\/p>\n C\u00e2u 8 (1.0 \u0111i\u1ec3m)<\/strong><\/p>\n Trong m\u1eb7t ph\u1eb3ng v\u1edbi h\u1ec7 t\u1ecda \u0111\u1ed9 Oxy cho tam gi\u00e1c ABC c\u00f3 trung \u0111i\u1ec3m c\u1ee7a c\u1ea1nh BC l\u00e0 \u0111i\u1ec3m M(3; -1), \u0111\u01b0\u1eddng th\u1eb3ng ch\u1ee9a \u0111\u01b0\u1eddng co k\u1ebb t\u1eeb \u0111\u1ec9nh B \u0111i qua \u0111i\u1ec3m E(-1;-3) v\u00e0 \u0111\u01b0\u1eddng th\u1eb3ng AC \u0111i qua \u0111i\u1ec3m F(1;3). T\u00ecm t\u1ecda \u0111\u1ed9 c\u00e1c \u0111\u1ec9nh c\u1ee7a tam gi\u00e1c ABC, bi\u1ebft r\u1eb1ng \u0111i\u1ec3m \u0111\u1ed1i x\u1ee9ng c\u1ee7a \u0111\u1ec9nh A qua t\u00e2m \u0111\u01b0\u1eddng tr\u00f2n ngo\u1ea1i ti\u1ebfp tam gi\u00e1c ABC l\u00e0 \u0111i\u1ec3m D(4;-2).<\/p>\n <\/p>\n<\/p>\n T\u1ea5t c\u1ea3 n\u1ed9i dung b\u00e0i vi\u1ebft. C\u00e1c em h\u00e3y xem th\u00eam v\u00e0 t\u1ea3i file chi ti\u1ebft t\u1ea1i \u0111\u00e2y:<\/strong>Download<\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n n\u0103m 2016 – THPT M\u1ef9 \u0110\u1ee9c A, H\u00e0 N\u1ed9i, \u0111\u01b0\u1ee3c t\u1ed5 ch\u1ee9c thi th\u00e1ng 1\/2016. Xem th\u00eam: \u0110\u1ec1 thi th\u1eed THPT Qu\u1ed1c gia m\u00f4n To\u00e1n C\u00e2u 6 (1.0 \u0111i\u1ec3m) Tr\u00ean m\u1eb7t ph\u1eb3ng v\u1edbi h\u1ec7 t\u1ecda \u0111\u1ed9 Oxy cho c\u00e1c \u0111\u01b0\u1eddng th\u1eb3ng d: x \u2013 y + 2 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_mi_skip_tracking":false,"tdm_status":"","tdm_grid_status":""},"categories":[28],"tags":[],"yoast_head":"\n