如图,已知AB=AC,AD=AE.求证:BD=CE.
如图,已知AB=AC,AD=AE.求证:BD=CE.
已知:如图,AD=AE,AB=AC,∠DAE=∠BAC.求证:BD=CE.
已知,如图,在△ABC中,AB=AC,AD=AE.求证:BD=CE.
如图,已知AB=AC,AD=AE,求证:BD=CE
全等三角形如图,已知AB=AC,AD=AE,求证BD=CE.
初三放缩与相似性已知:如图,线段BD与CE相交于点A,AD:BD=AE:CE求证:AB:AC=AD:AE
如图,已知AB=AC,AD=AE,∠EAD=∠CAB,BD与CD相较于点O,求证说明:BD=CE.
如图,AB=AC,AD=AE,BD、CE交于O,求证:AO平分∠BAC.
如图,已知AB垂直于AC,AB=AC,AD=AE,BD=CE,求证AD垂直于AE
已知:如图,AB=AC,AD=AE,BD=CE,求证:∠BAC=∠DAE
如图,已知AB=AC,AD=AE,BD=CE,求证:∠3=∠1+∠2
如图,已知AB=AC,AD=AE,BD=CE,求证角3=角1+角2