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 greater 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

Identify the type of angle that measures 45 degrees.

Back

Acute angle.

Front

Identify the type of angle that measures 120 degrees.

Back

Obtuse angle.

Front

Identify the type of angle that measures 90 degrees.

Back

Right angle.

Front

Identify the type of angle that measures 180 degrees.

Back

Straight angle.

Front

What type of angle is less than 90 degrees?

Back

Acute angle.

Front

What type of angle is greater than 90 degrees?

Back

Obtuse angle.