Complementary & Supplementary Angles

Front

What are complementary angles?

Back

Angles that add up to 90°.

Tags

CCSS.7.G.B.5

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Tags

CCSS.7.G.B.5

Front

What can be said about vertical angles?

Back

They are angles that are opposite each other when two lines intersect.

Tags

CCSS.7.G.B.5

Front

If ∠A and ∠B are supplementary and ∠A = 120°, what is ∠B?

Back

60°.

Tags

CCSS.7.G.B.5

Front

If two angles are complementary and one angle measures 30°, what is the measure of the other angle?

Back

60°.

Tags

CCSS.7.G.B.5

Front

What is the sum of the measures of two complementary angles?

Back

90°.

Tags

CCSS.7.G.B.5

Front

What is the sum of the measures of two supplementary angles?

Back

180°.

Tags

CCSS.7.G.B.5

Front

Are adjacent angles always complementary or supplementary?

Back

No, adjacent angles can be neither.

Tags

CCSS.7.G.B.5

Front

If two angles are vertical angles, what can be said about their measures?

Back

They are equal.

Tags

CCSS.7.G.B.5

Front

If ∠1 and ∠2 are complementary and ∠1 = 45°, what is ∠2?

Back

45°.

Tags

CCSS.7.G.B.5