Types of Angles

Front

What is an acute angle?

Back

An angle that is less than 90 degrees.

Front

What is a right angle?

Back

An angle that is exactly 90 degrees.

Front

What is an obtuse angle?

Back

An angle that is greater than 90 degrees but less than 180 degrees.

Front

What is a straight angle?

Back

An angle that is exactly 180 degrees.

Front

What is a reflex angle?

Back

An angle that is greater than 180 degrees but less than 360 degrees.

Front

How many degrees are in a full circle?

Back

360 degrees.

Front

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

Back

Acute angle.

Front

If an angle measures 120 degrees, what type of angle is it?

Back

Obtuse angle.

Front

If an angle measures 90 degrees, what type of angle is it?

Back

Right angle.

Front

If an angle measures 270 degrees, what type of angle is it?

Back

Reflex angle.