wams Naming and Measuring Angles

Front

What is an obtuse angle?

Back

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

Front

What is a straight angle?

Back

An angle that measures exactly 180 degrees.

Front

What is a reflex angle?

Back

An angle that measures more than 180 degrees but less than 360 degrees.

Front

What is an acute angle?

Back

An angle that measures less than 90 degrees.

Front

How do you measure an angle?

Back

Using a protractor, align the baseline with one side of the angle and read the measurement where the other side crosses the protractor.

Front

What is the sum of angles in a triangle?

Back

The sum of the interior angles in a triangle is always 180 degrees.

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Front

What is the difference between acute and obtuse angles?

Back

Acute angles measure less than 90 degrees, while obtuse angles measure more than 90 degrees.