题目内容

如图7,已知在矩形ABCD中,EAD上的一点,

连接ECBC=CEBFEC于点F

求证:△ABE≌△FBE.

 


证明:在矩形ABCD中,AD∥BC,∠A=90°··················· 2分

因为AD∥BC,∠AEB=∠EBC·························· 3分

因为BC=CE,所以∠EBC=∠BEC························· 4分

所以∠AEB=∠BEC ······························ 5分

又∠A=∠BFE=90°,BE=BE ·························· 6分

所以△ABE≌△FBE. ····························· 7分

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