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

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

Back

60 degrees.

Tags

CCSS.7.G.B.5

Front

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

Back

60 degrees.

Tags

CCSS.7.G.B.5

Front

Are 45 degrees and 45 degrees complementary or supplementary?

Back

Complementary.

Tags

CCSS.7.G.B.5

Front

Are 90 degrees and 90 degrees complementary or supplementary?

Back

Supplementary.

Tags

CCSS.7.G.B.5

Front

What is the sum of complementary angles?

Back

90 degrees.

Tags

CCSS.7.G.B.5

Front

What is the sum of supplementary angles?

Back

180 degrees.

Tags

CCSS.7.G.B.5

Front

If ∠A + ∠B = 90°, what can we say about ∠A and ∠B?

Back

They are complementary angles.

Tags

CCSS.7.G.B.5

Front

If ∠C + ∠D = 180°, what can we say about ∠C and ∠D?

Back

They are supplementary angles.

Tags

CCSS.7.G.B.5