Types of Angles

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Front

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.

Front

What is a reflex angle?

Back

A reflex angle is an angle that measures more than 180 degrees but less than 360 degrees.

Front

How many degrees are in a full revolution?

Back

A full revolution is 360 degrees.

Front

Identify the type of angle that is less than a right angle.

Back

An acute angle.

Front

Identify the type of angle that is more than a right angle.

Back

An obtuse angle.

Front

What type of angle is formed by two perpendicular lines?

Back

A right angle.

Front

If an angle measures 45 degrees, what type of angle is it?

Back

It is an acute angle.