如图所示,AB=AC,AD=AE,∠1=∠2.求证：△ABC≌△ACERT

如图所示,AB=AC,AD=AE,DC=EB,求证∠1=∠2? 如图所示,已知AB⊥AC,AD⊥AE,AB=AC,AD=AE,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 如图所示,AD=AE,角1=角2,BD=CE,求证：AB=AC 如图所示,AB=AC,AD=AE,∠1=∠2.求证：△ABC≌△ACERT 如图所示,AB乘AE=AD乘AC,且∠1=∠2求证△ABC∽△ADE 如图所示,AD是△ABC的高,AE是△ABC的外接圆直径,求证:AB×AC= AE×AD. 如图所示,AB=AC,BD=CE,AD=AE,求证：角ADE=角AED 如图所示,已知AB=AC,AD=AE,请说明BD=CE 如图所示,AD⊥AB,AE⊥AC,且AD=AB,AE=AC.试说明:BE=CD,BE⊥CD 如图所示,AD⊥AB,AE⊥AC,且AD=AB,AE=AC.试说明:BE=CD,BE⊥CD 已知:如图所示,AB=AC,BD=CE,AD=AE,求证∠BAC=∠DAE 如图所示,AB=AE,AC=AD,∠BAD=∠EAC,试说明ED=BC图 如图所示,AB=AC,AD=AE,CD、BE相交于点O.求证AO平分∠DAE ab⊥ac.ad⊥ae .ab=ac .ad=ae .说明 be⊥cd 如图,DE//BC,请问AD:AC=AE:AB?AD:AE=AB:AC? 如图所示,在△ABC和△ADE众,AB=AC,AD=AE,∠DAB=∠EAC,AD,AE交BC于点F,G.求证DE‖B如图所示,在△ABC和△ADE中,AB=AC,AD=AE,∠DAB=∠EAC,AD,AE交BC于点F,G.求证DE‖BC 已知如图所示,AB=AD,BC=DE,∠1=∠2,求证:(1)AC=AE,（2）∠CAE=∠CDE