Types of Angles

Types of Angles

There are different types of angle.

Angles can be:

Acute Angles

An acute angle is an angle of less than 90°.

acute angle

A right angle is an angle of 90°.

right angle

Don't forget: Right angles are often denoted by adding a small right angle that forms a square with the angle.

Obtuse Angles

An obtuse angle is an angle greater than 90° and less than 180°.

right angle

Straight Angles

A straight angle is an angle of 180°.

straight angle

Reflex Angles

A reflex angle is an angle greater then 180° and less than 360°.

reflex angle

Full Angles

A full angle is an angle of 360°.

full angle

See Also

What is an angle?