Acute, Obtuse, Right Angles

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 right angle?

Back

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

Front

What is the measurement of a straight angle?

Back

A straight angle measures exactly 180 degrees.

Front

What is the measurement of a full rotation?

Back

A full rotation measures 360 degrees.

Front

Which angle is smaller: 35 degrees or 95 degrees?

Back

35 degrees is smaller; it is an acute angle.

Front

Which angle is larger: 123 degrees or 90 degrees?

Back

123 degrees is larger; it is an obtuse angle.

Front

If an angle measures 90 degrees, what type of angle is it?

Back

It is a right angle.

Front

Can an angle be both acute and obtuse?

Back

No, an angle cannot be both acute and obtuse at the same time.

Front

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

Back

The angle is a right angle.