解；∵∠DOE=90°∠AOE=48°∴∠AOD=∠DOE-∠AOD=90°-48°=42°.∵∠BOC与∠AOD是对顶角.∴∠BOC=42°.∠COE=180°-42°-48°=90°∠DOF与∠COE是对顶角.∴∠DOF=90°.∴∠AOF=∠AOD+∠DOF=42°+90°=132°