如图所示,已知AB=AC,PB=PC,下面的结论:①BE=CE;②AP⊥BC;③AE平

 如图所示,已知AB=AC,PB=PC,下面的结论:①BE=CE;②AP⊥BC;③AE平分∠BEC;④∠PEC=∠PCE,其中正确结论的个数有(      )

 

 

 

 

 

 


A.1个          B.2个        C.3个          D.4个

 

答案

C

解析:略

 

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