Measuring Angles with A Protractor

Front

What is a protractor?

Back

A protractor is a tool used to measure angles in 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 do you measure an angle with a protractor?

Back

To measure an angle with a protractor, align the protractor's baseline with one side of the angle and read the measurement where the other side intersects the protractor.

Front

What is the measurement of angle BAL if it is 110 degrees?

Back

Angle BAL measures 110 degrees.

Front

What type of angle is 132 degrees?

Back

132 degrees is an obtuse angle.

Front

What is the measurement of a right angle?

Back

A right angle measures exactly 90 degrees.

Front

What is the measurement of angle LRS if it is acute?

Back

An acute angle measures less than 90 degrees.

Front

What is the measurement of angle RST if it is 35 degrees?

Back

Angle RST measures 35 degrees.