已知AB=AC,AB⊥AC,AD=AE,AD⊥AE,点M为CD的中点,求证:AM=1/2BE

如图,已知：AB=AE,AC=AD,AC⊥AD,AB⊥AE.求证：ED⊥BC. 如图所示,已知AB⊥AC,AD⊥AE,AB=AC,AD=AE,求证：BE=DC 已知AD⊥AB,AE⊥AC,AD=AB,AE=AC,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 ab⊥ac.ad⊥ae .ab=ac .ad=ae .说明 be⊥cd 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 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,AC⊥AE,且AD=AB,AC=AE.求证：DC⊥BE,DC=BE. 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,AB⊥AC,AD⊥AE,AB=AC,AD=AE,已知△DAC≌△EAB.求证BE⊥CD 急 已知AB⊥AC,AD⊥AE,AB=AC,AD=AE.求证1)△BAD≌△CAE 2)BD⊥CE 如图 已知AB=AC,AD=AE,BD=CE若AC⊥AC 试探索AE与AD,BD与CE的位置关系 如图,已知AB=AC,AB⊥AC,AD⊥AE且∠ABD=∠ACE,求证AD=AE 如图,已知：AB⊥AC,AD⊥AE,AB=AC,AD=AE,说明BE=DC的理由