Complementary & 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

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

What is the measure of an angle that is complementary to a 30-degree angle?

Back

60 degrees.

Tags

CCSS.7.G.B.5

Front

What is the measure of an angle that is supplementary to a 120-degree angle?

Back

60 degrees.

Tags

CCSS.7.G.B.5

Front

If one angle measures 45 degrees, what is the measure of its complementary angle?

Back

45 degrees.

Tags

CCSS.7.G.B.5

Front

If one angle measures 100 degrees, what is the measure of its supplementary angle?

Back

80 degrees.

Tags

CCSS.7.G.B.5

Front

What do you call two angles that are equal in measure?

Back

Vertical angles.

Tags

CCSS.7.G.B.5

Front

If angle A is 70 degrees, what is the measure of angle B if they are complementary?

Back

20 degrees.

Tags

CCSS.7.G.B.5