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

How many degrees are in a right angle?

Back

A right angle has 90 degrees.

Front

How many degrees are in an acute angle?

Back

An acute angle has less than 90 degrees.

Front

How many degrees are in an obtuse angle?

Back

An obtuse angle has more than 90 degrees and less than 180 degrees.

Front

How many degrees are in a straight angle?

Back

A straight angle has 180 degrees.

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

What type of angle is formed by the hands of a clock at 10:00?

Back

The angle formed is an obtuse angle.