\u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n – THPT Nguy\u1ec5n Ch\u00ed Thanh 2016 c\u00e1c em theo d\u00f5i chi ti\u1ebft b\u00ean d\u01b0\u1edbi:<\/p>\n
C\u00e2u 6 ( 4 \u0111i\u1ec3m)<\/strong><\/p>\n Cho h\u00ecnh ch\u00f3p S.ABC c\u00f3 SA vu\u00f4ng g\u00f3c v\u1edbi (ABC), SA=a; tam gi\u00e1c ABC vu\u00f4ng g\u00f3c t\u1ea1i B, AB=a; AC=2a. g\u1ecdi H,K l\u00e0 h\u00ecnh chi\u1ebfu vu\u00f4ng g\u00f3c c\u1ee7a A l\u1ea7n l\u01b0\u1ee3t tr\u00ean SB, SC.<\/p>\n a)Ch\u1ee9ng minh r\u1eb1n: (SAB) vu\u00f4ng g\u00f3c (SBC)<\/p>\n b)Ch\u1ee9ng minh r\u1eb1ng: SC vu\u00f4ng g\u00f3c (AHK)<\/p>\n c)t\u00ednh g\u00f3c gi\u1eefa \u0111\u01b0\u1eddng th\u1eb3ng SB t\u1edbi m\u1eb7t ph\u1eb3ng (AHK)<\/p>\n d) t\u00ednh kho\u1ea3ng c\u00e1ch t\u1eeb \u0111i\u1ec3m H \u0111\u1ebfn m\u1eb7t ph\u1eb3ng (SAC)<\/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 – THPT Nguy\u1ec5n Ch\u00ed Thanh 2016 c\u00e1c em theo d\u00f5i chi ti\u1ebft b\u00ean d\u01b0\u1edbi: \u0110\u1ec1 thi h\u1ecdc k\u00ec 2 l\u1edbp 11 m\u00f4n To\u00e1n – THPT Nguy\u1ec5n Ch\u00ed Thanh 2016 C\u00e2u 6 ( 4 \u0111i\u1ec3m) Cho h\u00ecnh ch\u00f3p S.ABC c\u00f3 SA vu\u00f4ng g\u00f3c v\u1edbi (ABC), SA=a; tam […]<\/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