已知:如图所示,AB=AC,BD=CE,AD=AE.求证:角BAC=角DAE
1个回答
∵AB=AC
AD=AE
BD=CE
∴△ABD全等与△ACE(SSS)
∴∠BAD=∠CAE
∵∠DAC=∠DAC
∴∠BAD+∠DAC=∠CAE+∠DAC
即∠BAC=∠DAE
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