如图,AB=AC,AD=AE,AB,DC相交于点M,AC,BE相交于点N,角DAB=角EAC.求证：AM=AN

如图,已知：AB⊥AC,AD⊥AE,AB=AC,AD=AE,说明BE=DC的理由 如图,DE//BC,请问AD:AC=AE:AB?AD:AE=AB:AC? 如图,AB⊥AC,AC⊥DC,AD=AB.试说明AD∥CB. 如图,在四边形ABCD中,AB=DC,延长线段CB到E,是BE=AD,连接AE,AC,AE=AC,求证:AD‖EC 如图,在四边形ABCD中,AB=DC,延长线段CB到E,是BE=AD,连接AE、AC,AE=AC,求证：AD‖EC 如图,在梯形ABCD中,AD//BC,AB=DC,AE//DC,DF//AB.试说明AE＝DF. 如图,已知AB=AC,AD=AE,∠DAB=∠EAC,求证:DC=EB 如图已知AB=AC,AD=AE,DC,BE交于点O,求证AO平分∠BAC 如图,AB=AD,AC=AE, 如图,AB=AC,AD=AE,AB,DC相交于点M,AC,BE相交于点N,AD//BE,AE//DC,求证∠DAB=∠EAC 如图,已知AD⊥AB,AC⊥AE,AD=AB,角C=角E,证明:DC⊥BE. 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 如图,点C在线段BE上,AB⊥AC,AD⊥AE,且AD=AE,连接CD,试说明DC⊥BE 已知如图DA垂直于AB,EA垂直于AC,AB=AD,AC=AE求DC=BEDG垂直BE 已知:如图AB=AC,AD=AE.AB,DC相交于点M,AC,BE相交于点N, DA⊥AB EA ⊥AC AB=AD AC=AE 求证 DC=BE 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