Prove:
∫△ABC is an equilateral triangle
∴∠C=∠BAC=60,AC=AB
∫DC = AE
∴△ACD≌△ABE
∴∠CAD=∠BAE
∫∠BFD =∠ Abe+∠ bad.
∴∠BFD=∠CAD+∠BAD=∠BAC=60