如图,Rt△ABC中,∠ABC=90°,以AB为直径作○O交斜边AC于D,E为CD上一点,BE交○O于点F,延长AF交BC于点G.(1)求证:△ADF∽△AGC(2)若CE=DE=2,AD=5,求BG/CG的值.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 04:05:23
![如图,Rt△ABC中,∠ABC=90°,以AB为直径作○O交斜边AC于D,E为CD上一点,BE交○O于点F,延长AF交BC于点G.(1)求证:△ADF∽△AGC(2)若CE=DE=2,AD=5,求BG/CG的值.](/uploads/image/z/8947021-13-1.jpg?t=%E5%A6%82%E5%9B%BE%2CRt%E2%96%B3ABC%E4%B8%AD%2C%E2%88%A0ABC%3D90%C2%B0%2C%E4%BB%A5AB%E4%B8%BA%E7%9B%B4%E5%BE%84%E4%BD%9C%E2%97%8BO%E4%BA%A4%E6%96%9C%E8%BE%B9AC%E4%BA%8ED%2CE%E4%B8%BACD%E4%B8%8A%E4%B8%80%E7%82%B9%2CBE%E4%BA%A4%E2%97%8BO%E4%BA%8E%E7%82%B9F%2C%E5%BB%B6%E9%95%BFAF%E4%BA%A4BC%E4%BA%8E%E7%82%B9G.%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9A%E2%96%B3ADF%E2%88%BD%E2%96%B3AGC%282%29%E8%8B%A5CE%3DDE%3D2%2CAD%3D5%2C%E6%B1%82BG%2FCG%E7%9A%84%E5%80%BC.)
xU]kG+Ɛcjj3;;^Rȡ'פAiZM2%)ز)BkO;;Z)!mJf={_~FsB){!`݃hv٣ώ
gD(Qv_߾$``XgΟ}~10>пl\?8l ° v&f|[Є4{7o%8
n'xWZnV/SKnju{ikK{d_2|WA-lv<ی;Ffzv1bOoaڝb#m{kuMc'NK81۱nV=1jAJXvQZj0;k膑&
3F;FֿWfl0(bGAg"P4k6%Wxv:8(#/ pqL