Supplementary and Complementary Angles FLASHCARD

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Tags

CCSS.7.G.B.5

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Tags

CCSS.7.G.B.5

Front

What is the supplement of a 160° angle?

Back

20°

Tags

CCSS.7.G.B.5

Front

What is the complement of a 50° angle?

Back

40°

Tags

CCSS.7.G.B.5

Front

If two angles are supplementary, what is their sum?

Back

180 degrees.

Tags

CCSS.7.G.B.5

Front

If two angles are complementary, what is their sum?

Back

90 degrees.

Tags

CCSS.7.G.B.5

Front

Are 70° and 20° angles complementary, supplementary, or neither?

Back

Complementary.

Tags

CCSS.7.G.B.5

Front

Are 140° and 50° angles complementary, supplementary, or neither?

Back

Supplementary.

Tags

CCSS.7.G.B.5

Front

What is the value of x if x + 19 = 90?

Back

71.

Tags

CCSS.8.G.A.5

Front

What is the value of x if x + 15 = 180?

Back

165.

Tags

CCSS.8.G.A.5