Complementary, Supplementary, Vertical, Adjacent Angles

Front

What are angles whose measures sum up to 180 degrees?

Back

Supplementary Angles

Front

What do we call angles that are next to each other and share a common side?

Back

Adjacent Angles

Front

What is the term for two angles that add up to 90 degrees?

Back

Complementary Angles

Front

What is the measure of supplementary angles?

Back

180 degrees

Front

Provide an example of a pair of complementary angles.

Back

81° and 9°

Front

What are angles that are opposite each other when two lines intersect?

Back

Vertical Angles

Front

If two angles are adjacent and their measures add up to 180 degrees, what are they called?

Back

Supplementary Angles

Front

If ∠AOB and ∠COB are adjacent, what can we say about their relationship?

Back

They share a common vertex and side.

Front

What is the sum of the measures of complementary angles?

Back

90 degrees

Front

If one angle measures 30 degrees, what is the measure of its complementary angle?

Back

60 degrees