如图1,在RT三角形ABC中,角BAC=90,AD垂直BC于点D,点O是AC边上一点,连接BO交AD于F,OE垂直OB交BC边于点1.求证:三角形ABF相似三角形COE2.当O为AC边中点,AC:AB=2时,如图2,求OF:OE的值3.当O为AC边中点,AC:AB=n
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/17 00:06:17
![如图1,在RT三角形ABC中,角BAC=90,AD垂直BC于点D,点O是AC边上一点,连接BO交AD于F,OE垂直OB交BC边于点1.求证:三角形ABF相似三角形COE2.当O为AC边中点,AC:AB=2时,如图2,求OF:OE的值3.当O为AC边中点,AC:AB=n](/uploads/image/z/1786839-15-9.jpg?t=%E5%A6%82%E5%9B%BE1%2C%E5%9C%A8RT%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E4%B8%AD%2C%E8%A7%92BAC%3D90%2CAD%E5%9E%82%E7%9B%B4BC%E4%BA%8E%E7%82%B9D%2C%E7%82%B9O%E6%98%AFAC%E8%BE%B9%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E8%BF%9E%E6%8E%A5BO%E4%BA%A4AD%E4%BA%8EF%2COE%E5%9E%82%E7%9B%B4OB%E4%BA%A4BC%E8%BE%B9%E4%BA%8E%E7%82%B91.%E6%B1%82%E8%AF%81%3A%E4%B8%89%E8%A7%92%E5%BD%A2ABF%E7%9B%B8%E4%BC%BC%E4%B8%89%E8%A7%92%E5%BD%A2COE2.%E5%BD%93O%E4%B8%BAAC%E8%BE%B9%E4%B8%AD%E7%82%B9%2CAC%EF%BC%9AAB%3D2%E6%97%B6%2C%E5%A6%82%E5%9B%BE2%2C%E6%B1%82OF%EF%BC%9AOE%E7%9A%84%E5%80%BC3.%E5%BD%93O%E4%B8%BAAC%E8%BE%B9%E4%B8%AD%E7%82%B9%2CAC%EF%BC%9AAB%3Dn)
xW_OG*'H89||6E=RUmch 'BJ8%Q
/R> _swgc[xCrofg]#'cE77]]j"lމ0cf+ >bޓ8H(PSkR2̂,oOT765+K{BA-svAYaa]-/ rJ*E=;<0i`sW7?//O^ _v*;[{GHlmC?m轴6866Tpphdpxlx42oCkXuF(eitNNONMNV*!-+gcѴ%˱l61Th&(YM iH$(jXi+p42p%_KE[6
Zddc+tI#WO<(N}Pd
|G(N%ta"0Ã Q'>̓8utol
3[`RkO[xby'2I:."lÆ.0rqfI=t.zyǽP9dJԱ _Ke=G2k{5{|
a8Iq
|ޞ$ȿe8<|Kz% Gs}"1EQx:5:زvԡ&M̖EjGkߦ_1|:( uuxRtT2q8>)s
n`t(@ &7!,pqb:P\,F=&tpMYcRXmi8W$N5]jqCB_j4,eo=jbtƞ\iDOMLIGrA"K#V+]lRJl& uA r]T#<=^:\