如图,四边形ABCD是菱形,对角线AC=8cm,BD=6cm,DH⊥AB与于点H,且DH与AC交于点G
问题描述:
如图,四边形ABCD是菱形,对角线AC=8cm,BD=6cm,DH⊥AB与于点H,且DH与AC交于点G
则GH=?
答
[解析]OA=4,OB=3,AB=5,△BDH∽△BOA,BD/AB=BH/OB=DH/OA,6/5=BH/3,BH=18/5,AH=AB-BH=5-18/5=7/5,△AGH∽△ABO,GH/BO=AH/AO,GH/3=7/5 / 4,GH=21/20.手机提问的朋友在客户端右上角评价点【满意】即可.互相帮助,祝共同...