Ans: You should use the Perpendicular parking maneuver when the parking space is at a 90-degree angle to the curb.
You should use the perpendicular parking maneuver when the parking space is at 90-degree angle to the curb because It is as same as angle parking . When parking, the wheels of the vehicle should be stop straight and the vehicle centered in the parking space. Moreover, always use a forward reference point to avoid the hitting to the curb.