Angles

Front

What is an acute angle?

Back

An angle that is less than 90°.

Front

What is an obtuse angle?

Back

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

Front

What is a right angle?

Back

An angle that measures exactly 90°.

Front

What is a straight angle?

Back

An angle that measures exactly 180°.

Front

What is a reflex angle?

Back

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

Front

How many degrees are in a full circle?

Back

360 degrees.

Front

What type of angle is 45°?

Back

Acute angle.

Front

What type of angle is 120°?

Back

Obtuse angle.

Front

What type of angle is 90°?

Back

Right angle.

Front

What type of angle is 270°?

Back

Reflex angle.