∵AB=AE,∠B=∠E,∠BAC=∠EAD
∴△ABC≌△AED
∴AC=AD
∵角平分线上的点到角两边距离相等
∴PB=PC
1.已知如图,AB=AE,∠B=∠E,∠BAC=∠EAD,求证AC=AD
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