如图所示,已知AB=AC,AD=AE,请说明BD=CE

如图所示,已知AB=AC,AD=AE,请说明BD=CE 如图所示,已知AB⊥AC,AD⊥AE,AB=AC,AD=AE,求证：BE=DC 如图所示,已知AB⊥AC,AD⊥AE,AB=AC,AD=AE,求证：BE=DC非常急 已知:如图所示,AB=AC,BD=CE,AD=AE,求证∠BAC=∠DAE 如图所示,已知AB =AC,AE=AD,BD=CE,试说明△AEB≌△ADC 如图所示,已知AB =AC,AE=AD,BD=CE,试说明△AEB≌△ADC 如图所示已知AB/AE=BC/ED=AC/AD,试说明角BAD=角CAE 已知AB/AD=AC/AE=BC/DE.试说明AD*CE=BD*AE 如图,已知AD/DB=AE/EC,求证 :AD/AB=AE/AC. 已知AD⊥AB,AE⊥AC,AD=AB,AE=AC,求证BE=DC 如图,已知：AB=AE,AC=AD,AC⊥AD,AB⊥AE.求证：ED⊥BC. 如图所示,AD是△ABC的高,AE是△ABC的外接圆直径,求证:AB×AC= AE×AD. 已知:如图,AC/AD=AB/DE=BC/AE.求证AB=AE 已知,如图,AD/AC=DE/AB=AE/BC,求证AB=AE 已知,如图,AD:AC=DE:AB=AE:BC 求证：AB=AE 已知:如图,B、D分别在AC、CE上,AD是∠CAD的平分线,BD‖AE,AB=BC.请证:AC=AE 如图所示,AD=AE,角1=角2,BD=CE,求证：AB=AC 如图所示,AB=AC,BD=CE,AD=AE,求证：角ADE=角AED