题目内容
如图,已知△ABF≌△CDE,AB=CD,则BF=______,______=EC,______=FC,∠BFC=______.
∵△ABF≌△CDE,
∴BF=DE,AF=EC,∠AFB=∠CED
∴AF+FE=EC+FE,180°-∠AFB=180°-∠CED,即:AE=FC,∠BFC=∠DEA.
∴BF=DE,AF=EC,∠AFB=∠CED
∴AF+FE=EC+FE,180°-∠AFB=180°-∠CED,即:AE=FC,∠BFC=∠DEA.
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