等边三角形ABE中,∠ABE=∠BAE=∠AEB=60°四边形ABCD是正方形∴∠DBC=45°∠ABC=90°∴EBC=∠ABE+∠ABC=150°∵BE=BC∴∠BEC=∠BCE=15°∴∠BFE=∠DBC+∠BCE=60°∴∠BFE=∠BAE∴AEB F共圆∴∠AFD=∠AEB=60°...