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 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 right angle?

Back

A right angle is an angle that measures exactly 90 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

What is the measurement of a straight angle?

Back

A straight angle measures exactly 180 degrees.

Front

Identify an angle that is less than 90 degrees.

Back

An acute angle.

Front

Identify an angle that is exactly 90 degrees.

Back

A right angle.

Front

Identify an angle that is more than 90 degrees but less than 180 degrees.

Back

An obtuse angle.

Front

What type of angle is formed by the hands of a clock at 3:00?

Back

A right angle.

Front

What type of angle is formed by the hands of a clock at 10:10?

Back

An obtuse angle.