Types of Angles

Front

Right, acute, or obtuse?

Back

Obtuse

Front

Obtuse

Back

Greater than 90 and less than 180

Front

Identify the type of angle shown: Acute, Obtuse, Reflex, Right Angle

Back

Acute

Front

Identify the type of angle shown: Acute, Obtuse, Reflex, Right Angle

Back

Obtuse

Front

Identify the type of angle shown: Acute, Obtuse, Reflex, Right Angle

Back

Right Angle

Front

Straight

Back

Exactly 180

Front

What type of angle is shown here? Options: Acute, Obtuse, Reflex, Right

Back

Reflex

Front

Which angle type is pictured? Options: Acute, Right, Obtuse, Straight

Back

Right

Front

Right angle

Back

An angle that forms a square corner and has a measure of 90 degrees.

Front

Acute angle

Back

An angle that is open less than a right angle and has a measure less than 90 degrees.