Classify 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 straight angle?

Back

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

Front

How do you classify an angle that measures 45 degrees?

Back

It is classified as an acute angle.

Front

How do you classify an angle that measures 120 degrees?

Back

It is classified as an obtuse angle.

Front

How do you classify an angle that measures 90 degrees?

Back

It is classified as a right angle.

Front

What type of angle is formed by two rays that point in opposite directions?

Back

It is a straight angle.

Front

If an angle is greater than 90 degrees but less than 180 degrees, what is it called?

Back

It is called an obtuse angle.

Front

If an angle is less than 90 degrees, what is it called?

Back

It is called an acute angle.