如图所示,已知AB=AC,AD=AE,∠BAC=∠DAE,BD=7cm,则CE=_cm.

问题描述:

如图所示,已知AB=AC,AD=AE,∠BAC=∠DAE,BD=7cm,则CE=______cm.

∵∠BAC=∠DAE
∴∠BAD=∠CAE
∵AB=AC,AD=AE
∴△ABD≌△ACE(SAS)
∴BD=CE=7cm.
故填7.