如图,AB=AD,∠B=∠D,求证:CB=CD

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如图,AB=AD,∠B=∠D,求证:CB=CD如图,AB=AD,∠B=∠D,求证:CB=CD如图,AB=AD,∠B=∠D,求证:CB=CD连接BD∵AB=AD∴∠ABD=∠ADB又∵∠ABC=∠ADC

如图,AB=AD,∠B=∠D,求证:CB=CD
如图,AB=AD,∠B=∠D,求证:CB=CD

如图,AB=AD,∠B=∠D,求证:CB=CD
连接BD
∵AB=AD
∴∠ABD=∠ADB
又∵∠ABC=∠ADC
∴∠CBD=∠CDB
∴CB=CD