Types of Angles

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

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 straight angle?

Back

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

Front

Which angles are formed when two lines intersect at a right angle?

Back

Right angles are formed when two lines intersect at a right angle.

Front

How many degrees are in a full circle?

Back

There are 360 degrees in a full circle.

Front

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

Back

The angle formed is a right angle.

Front

If an angle measures 45 degrees, what type of angle is it?

Back

It is an acute angle.

Front

If an angle measures 120 degrees, what type of angle is it?

Back

It is an obtuse angle.

Front

What do you call an angle that is exactly 90 degrees?

Back

It is called a right angle.