如图 AB⊥AC ab=ac AD=AE BD=CE 试问 AD于AE是否吹火i?若是 请给出证明 若不是 说出理由

如图,DE//BC,请问AD:AC=AE:AB?AD:AE=AB:AC? 如图,AD⊥AE,AB垂直AC,AD=AE,AB=AC,AD⊥AE ,AB=AC,求证：三角形ABD≌三角形ACE 如图,AB⊥AC,AD⊥AE,AB=AC,AD=AE.求证BE⊥CD 如图,AB⊥AC,AD⊥AE,AB=AC,AD=AE.求证BE⊥CD 如图,已知：AB=AE,AC=AD,AC⊥AD,AB⊥AE.求证：ED⊥BC. 如图AB⊥AC,AD⊥AE,AB=AC,AD=AE.求证:△DAC≌三角形EAB 如图,AB=AD,AC=AE, 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 如图ab:bd=ae:ce,求证ab:ac=ad:ae 如图.AD⊥AE.AB=AC.BD=CE,问AB与AC的位置关系 如图,已知AD/DB=AE/EC,求证 :AD/AB=AE/AC. 如图,直角梯形ABCD,CD‖AB,AB=AC,AE⊥AC,且AE=AD,连BE交AC于F,求证：BF=EF. 如图,直角梯形ABCD,CD‖AB,AB=AC,AE⊥AC,且AE=AD,连BE交AC于F,求证：BF=EF. ab⊥ac.ad⊥ae .ab=ac .ad=ae .说明 be⊥cd 如图AB=AE,AC=AD,ED=BC,AE⊥AB 求证BC⊥DE 如图,AB‖CD,AD‖BC,AE⊥AB,AF⊥AD,AE=AB,AF=AD,试说明AC=EF