已知,如图,AE=AC,AD=AB,∠FAC=∠DAB,求证:△EAD全等于△CAB

如图,已知AD/DB=AE/EC,求证 :AD/AB=AE/AC. 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,已知：AB=AE,AC=AD,AC⊥AD,AB⊥AE.求证：ED⊥BC. 如图,已知,AD=AE,AB=AC.试说明∠ABE=∠ACD 如图,已知AB=AC,AB⊥AC,AD⊥AE且∠ABD=∠ACE,求证AD=AE 已知:如图,AD/AB=AE/BC求证：AD/AE=DB/EC和AB/DB=AC/EC 已知:如图,AD/AB=AE/BC求证：AD/AE=DB/EC和AB/DB=AC/EC 如图,DE//BC,请问AD:AC=AE:AB?AD:AE=AB:AC? 如题,已知三角形abc中 ab>ac AD是角平分线 且AE=AC,EF//BC交AC于F,求证:EC平分∠DEF 已知如图 △ABC中,AD⊥BC于D DE⊥AB于E DF⊥AC于F 求证 AE:AF=AC:AB 已知如图AB=AC,求证AB²=AD×AE 已知：如图,在△ABC中,AD平分∠BAC,DE‖AC交AB于点E,求证：AE：AB+AE：AC=1 如图,已知AD//BC,AD=BC,AE⊥AD,AF⊥AB,AE=AD,AB=AF.求证：AC=EF. 已知,如图.AE=AF,EG平行AD,交AB于F,求证AD平分∠BAC 已知:如图,AC=AE,AD=AB,∠ACB=∠DAB=90°,AE‖CB,AC,DE交于点F求证:∠DAC=∠B谢谢 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.