如图,AB=AC,AD=AE.求租角B=角C图在本人空间

如图,DE//BC,请问AD:AC=AE:AB?AD:AE=AB:AC? 如图,AB=AD,AC=AE, 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,已知AD/DB=AE/EC,求证 :AD/AB=AE/AC. 如图,AB=AC,AD=AE.求证角B=角C. 如图,AB=AC,AD=AE,求证角B=角C 如图,AB=AC,AD=AE.求证角B=角C. 如图AB=AC,AD=AE,求证角B=角C 习题12.2 如图 AB=AC AD =AE 求证∠B=∠C 初二数学题,如图AB=AC,AD=AE,AB⊥AC,AD⊥AE.求证∠B=∠C,BD=CE 如图,AB=AC,AD=AE.求证:角B等于角C 如图,AC=AB,AE=AD,B.D.E共线 已知如图,AD/AE=AB/AC,求证角B=角ADE 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AB⊥AC,AD⊥AE,AB=AC,AD=AE.求证:△DAC≌三角形EAB 如图,已知：AB=AE,AC=AD,AC⊥AD,AB⊥AE.求证：ED⊥BC. 已知:如图,AC/AD=AB/DE=BC/AE.求证AB=AE