如图已知AB=AE AC=AD 角1=角2求证BF=EG

已知:如图,角BDA=角CEA,AE=AD.求证:AB=AC 已知如图,AD/AE=AB/AC,求证角B=角ADE 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. 已知:如图,角1=角2,角3=角4,AC=AB.求证AE=AD 已知：如图,AC=AB,角1=角2,角3=角4,求证：AE=AD 已知,如图,角1=角2,角3＝角4,AC=AB,求证AE=AD 如图已知AB=AD,AC=AE,角1等于角2 证明角1等于角CDE 如图,已知AB=AC,AD=AE,BD=CE,求证,角3=角1+角2 如图,已知AB=AD,AC=AE,角1=角2.说出BC=DE的理由 如图已知AB=AE AC=AD 角1=角2求证BF=EG 如图,已知Ab =AD,AC=AE,角1=角2,求证：BC=DE 如图,已知,AB=AC,AD=AE,角1=角2,求证：BD=CE 如图,已知角1=角2,AB=AC,AE=AD.求证:BD=EC 如图,DE//BC,请问AD:AC=AE:AB?AD:AE=AB:AC?