Measuring and Classifying Angles

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Front

What type of angle is less than 90 degrees?

Back

Acute angle.

Front

What type of angle is greater than 90 degrees but less than 180 degrees?

Back

Obtuse angle.

Front

What is a straight angle?

Back

An angle that measures exactly 180 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

How do you classify an angle measuring 123 degrees?

Back

Obtuse angle.

Front

What type of angles are the corners of a square?

Back

Right angles.

Front

If two angles are supplementary and one measures 97 degrees, what is the measure of the other angle?

Back

83 degrees.

Front

What is the sum of the angles in a triangle?

Back

180 degrees.