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

What is an acute angle?

Back

An angle that measures less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

An angle that measures more than 90 degrees but less than 180 degrees.

Tags

CCSS.4.G.A.1

Front

What is a right angle?

Back

An angle that measures exactly 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is a straight angle?

Back

An angle that measures exactly 180 degrees.

Tags

CCSS.4.G.A.1

Front

What is the equation to find the value of x in complementary angles?

Back

If two angles are complementary, then angle1 + angle2 = 90.

Tags

CCSS.7.G.B.5

Front

What is the equation to find the value of x in supplementary angles?

Back

If two angles are supplementary, then angle1 + angle2 = 180.

Tags

CCSS.7.G.B.5

Front

If angle A is 30 degrees, what is the measure of its complementary angle?

Back

60 degrees (90 - 30 = 60).

Tags

CCSS.7.G.B.5

Front

If angle B is 120 degrees, what is the measure of its supplementary angle?

Back

60 degrees (180 - 120 = 60).

Tags

CCSS.7.G.B.5