⑴.ADC≌⊿BEA(S,A,S),∠AFE=180°-∠FAE-∠FEA=180°-∠FAE-∠ADC
=∠C=60°
⑵.⊿BAE≌⊿ACD(S,A,S),∴∠E=∠D.
∠AFE=∠D+∠FBD=∠E+∠CDE=∠ACB=60°(图形为⑵的)