Angles & Angle Relationships

Front

A straight angle has a measure of _____ degrees.

Back

180 degrees

Front

Vertical angles are always __________.

Back

congruent

Front

Name this angle: It measures less than 90 degrees.

Back

acute

Front

Are these angles an example of complementary, supplementary, or neither? (If they do not add up to 90 or 180 degrees)

Back

Neither

Front

Find the missing angle. Find x: 180 - x = 160. What is x?

Back

20 degrees

Front

What is the measure of a right angle?

Back

90 degrees

Front

What do we call angles that add up to 90 degrees?

Back

Complementary angles

Front

What do we call angles that add up to 180 degrees?

Back

Supplementary angles

Front

If two angles are adjacent, what does that mean?

Back

They share a common side and vertex.

Front

What is an obtuse angle?

Back

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