Complementary and Supplementary Angles

Front

What are complementary angles?

Back

Angles that add up to 90 degrees.

Tags

CCSS.7.G.B.5

Front

What are supplementary angles?

Back

Angles that add up to 180 degrees.

Tags

CCSS.7.G.B.5

Front

Give an example of complementary angles.

Back

81° and 9°.

Tags

CCSS.7.G.B.5

Front

What is the sum of two complementary angles?

Back

90 degrees.

Tags

CCSS.7.G.B.5

Front

What is the sum of two supplementary angles?

Back

180 degrees.

Tags

CCSS.7.G.B.5

Front

If one angle is 30°, what is its complementary angle?

Back

60°.

Tags

CCSS.7.G.B.5

Front

If one angle is 120°, what is its supplementary angle?

Back

60°.

Tags

CCSS.7.G.B.5

Front

Are 45° and 45° complementary or supplementary?

Back

Supplementary.

Tags

CCSS.7.G.B.5

Front

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

Back

Vertical angles.

Tags

CCSS.7.G.B.5

Front

If two angles are complementary, what can you say about their measures?

Back

Their measures add up to 90 degrees.

Tags

CCSS.7.G.B.5