Angle parking spaces are at angle.

Angle parking spaces are at an acute degree angle

Explanation:

An acute is angle less than 90 degree it can between 0 to 89 degrees.

Angle parking is a type of car parking used in car parks that sees the car park spaces arranged in an acute angle in relation to the direction of approach of the cars to be parked there.

Angle parking makes it easier for drivers to park their cars and also reverse out where they are about leaving the car park easily. Angle parking is very efficient for car parks with less spaces or very tight car parks found closer to the roads.

(because i need 20 chars)