Complementary and Supplementary Angles

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Tags

CCSS.7.G.B.5

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Tags

CCSS.7.G.B.5

Front

What are vertical angles?

Back

Angles that are opposite each other when two lines intersect; they are always equal.

Tags

CCSS.7.G.B.5

Front

What is an acute angle?

Back

An angle that measures less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

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

Tags

CCSS.4.G.A.1

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is a straight angle?

Back

An angle that measures exactly 180 degrees.

Tags

CCSS.4.G.A.1

Front

If two angles are complementary, what is the sum of their measures?

Back

90 degrees.

Tags

CCSS.7.G.B.5

Front

If two angles are supplementary, what is the sum of their measures?

Back

180 degrees.

Tags

CCSS.7.G.B.5

Front

Can two angles be both complementary and supplementary?

Back

No, they cannot; complementary angles sum to 90 degrees, while supplementary angles sum to 180 degrees.

Tags

CCSS.7.G.B.5