TYPES OF ANGLES

THE ANGLE FAMILY

THE ACUTE ANGLE: Less than 90°

Ranges from : 1° to 89°

THE RIGHT ANGLE: equal to 90°

THE OBTUSE ANGLE: more than 90° but less that 180°

Ranges from : 91° to 179°

THE STRAIGHT ANGLE: equal to 180°

THE REFLEX ANGLE: more than 180° but less than 360°

Ranges from : 181° to 359°

FULL TURN / CIRCLE: equal to 360°

Here are some examples of the ways we use angles:

• When parking a car a driver uses the concept of angles to park in a particular space, especially when parallel parking.

• A contractor uses angles to build a house, a school, or any structure.

• A student places books on a shelf at a slight angle to prevent them from tipping over.