ab⊥ac.ad⊥ae .ab=ac .ad=ae .说明 be⊥cd

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 DA⊥AB EA ⊥AC AB=AD AC=AE 求证 DC=BE 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 在△ABC中,AD⊥AB,AD=AB,AE⊥AC,AE=AC,求证：BE=CD 如图AB⊥AC,AD⊥AE,AB=AC,AD=AE.求证:△DAC≌三角形EAB ab=ac AD⊥bd ae⊥ce ad=ae 说明ob=oc 如图,DE//BC,请问AD:AC=AE:AB?AD:AE=AB:AC? 如图.AD⊥AE.AB=AC.BD=CE,问AB与AC的位置关系 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. 如图,AB‖CD,AD‖BC,AE⊥AB,AF⊥AD,AE=AB,AF=AD,试说明AC=EF 如图所示,AD⊥AB,AE⊥AC,且AD=AB,AE=AC.试说明:BE=CD,BE⊥CD