Angles

Front

The instrument that is used to measure angles is called

Back

protractor.

Front

Choose the measure on the angle: 170˚ or 10˚?

Back

170˚

Front

An angle that measures <153˚ is an: obtuse angle, acute angle, right angle, or straight angle?

Back

obtuse angle.

Front

Choose the measure of the angle: 10˚ or 170˚?

Back

10˚

Front

An angle that measures <91˚ is an: acute angle, right angle, obtuse angle, or straight angle?

Back

acute angle.

Front

What is an acute angle?

Back

An angle that measures less than 90˚.

Front

What is a right angle?

Back

An angle that measures exactly 90˚.

Front

What is an obtuse angle?

Back

An angle that measures more than 90˚ but less than 180˚.

Front

What is a straight angle?

Back

An angle that measures exactly 180˚.

Front

What is the sum of angles in a triangle?

Back

180˚.