已知:如图,AB=AC,AD=AE,BE、CD交于点G.求证:AG平分角BAC知道了

如图,已知AB垂直AC,AD垂直AE,AB=AC,AD=AE,求证BE=CD且BE垂直CD.图在后面. 如图,已知AB垂直AC,AD垂直AE,AB=AC,AD=AE,求证BE=CD且BE垂直CD.图在后面. 如图,已知AB垂直AC,AD垂直AE,AB=AC,AD=AE,求证BE=CD且BE垂直CD. 已知；如图,ab=ac,bd=ce,ad=ae.求证be=cd. 如图,已知AB=AE,BC=ED,AC=AD,求证:BE平行CD 如图,已知：AB⊥AC,AD⊥AE,AB=AC,AD=AE,说明BE=DC的理由 已知,如图,AB⊥AC,AB=AC,AD⊥'AE,AD=AE,求证:(1)BE=CD;(2)BC⊥CD急!帮个忙呗! 如图,已知AB⊥AC,AD⊥AE,且AB=AC,AD=AE.BE和CD的位置关系如何?并说明理由 如图,已知AB垂直于AC,AD垂直于AE,且AB=AC,AD=AE,说明BE与CD的位置关系 如图,已知AB⊥AC,AD⊥AE,且AB=AC,AD=AE,BE与CD的位置关系如何? 如图,AB⊥AC,AD⊥AE,AB=AC,AD=AE,已知△DAC≌△EAB.求证BE⊥CD 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.