\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n c\u1ee7a tr\u01b0\u1eddng THPT H\u1ed3ng L\u0129nh n\u0103m 2016, \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt, c\u00e1c em c\u00f9ng l\u00e0m th\u1eed nh\u00e9:<\/p>\n
C\u00e2u 3 (2 \u0111i\u1ec3m)<\/strong><\/p>\n T\u00ecm \u0111\u1ea1o h\u00e0m c\u1ee7a c\u00e1c h\u00e0m s\u1ed1<\/p>\n a) <\/strong><\/p>\n b) <\/strong><\/p>\n C\u00e2u 5 ( 3 \u0111i\u1ec3m).<\/strong><\/p>\n Cho h\u00ecnh ch\u00f3p S.ABCD c\u00f3 \u0111\u00e1y ABCD l\u00e0 h\u00ecnh vu\u00f4ng c\u1ea1nh a. c\u1ea1nh b\u00ean SA vu\u00f4ng g\u00f3c v\u1edbi \u0111\u00e1y, g\u00f3c gi\u1eefa SD v\u00e0 m\u1eb7t ph\u1eb3ng (ABCD0 b\u1eb1ng 60 \u0111\u1ed9.<\/p>\n a) ch\u1ee9ng minh BD^(SAC)<\/p>\n b) t\u00ednh kho\u1ea3ng c\u00e1ch t\u1eeb A t\u1edbi m\u1eb7t ph\u1eb3ng (SCD)<\/p>\n C) t\u00ednh sin c\u1ee7a g\u00f3c h\u1ee3p b\u1edfi \u0111\u01b0\u1eddng th\u1eb3ng SB v\u00e0 m\u1eb7t ph\u1eb3ng (SCD)<\/p>\n \u00a0<\/strong><\/p>\n <\/p>\n <\/p>\n","protected":false},"excerpt":{"rendered":" \u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n c\u1ee7a tr\u01b0\u1eddng THPT H\u1ed3ng L\u0129nh n\u0103m 2016, \u0111\u01b0\u1ee3c c\u1eadp nh\u1eadt, c\u00e1c em c\u00f9ng l\u00e0m th\u1eed nh\u00e9: C\u00e2u 3 (2 \u0111i\u1ec3m) T\u00ecm \u0111\u1ea1o h\u00e0m c\u1ee7a c\u00e1c h\u00e0m s\u1ed1 a) b) C\u00e2u 5 ( 3 \u0111i\u1ec3m). Cho h\u00ecnh ch\u00f3p S.ABCD c\u00f3 \u0111\u00e1y ABCD l\u00e0 h\u00ecnh vu\u00f4ng c\u1ea1nh a. […]<\/p>\n","protected":false},"author":2,"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":[171],"tags":[],"yoast_head":"\n