Angle Relationships

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

What is an acute angle?

Back

An angle that is less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is a right angle?

Back

An angle that is exactly 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

An angle that is greater than 90 degrees but less than 180 degrees.

Tags

CCSS.4.G.A.1

Front

If m∠1 = 30°, what is m∠2 if m∠1 and m∠2 are complementary?

Back

m∠2 = 60°.

Tags

CCSS.7.G.B.5

Front

If m∠1 = 120°, what is m∠2 if m∠1 and m∠2 are supplementary?

Back

m∠2 = 60°.

Tags

CCSS.7.G.B.5

Front

Are 45° and 45° complementary, supplementary, or neither?

Back

Supplementary.

Tags

CCSS.7.G.B.5

Front

If two angles are complementary and one angle measures 25°, what is the measure of the other angle?

Back

65°.

Tags

CCSS.7.G.B.5

Front

What is the sum of the measures of complementary angles?

Back

90 degrees.

Tags

CCSS.7.G.B.5