Complementary and Supplementary Angles

Front

What are complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Tags

CCSS.7.G.B.5

Front

What are supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Tags

CCSS.7.G.B.5

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

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

Tags

CCSS.4.G.A.1

Front

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.

Tags

CCSS.4.G.A.1

Front

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

Back

60 degrees (30 + 60 = 90).

Tags

CCSS.7.G.B.5

Front

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

Back

60 degrees (120 + 60 = 180).

Tags

CCSS.7.G.B.5

Front

What type of angles are 45 degrees and 45 degrees?

Back

Complementary angles (45 + 45 = 90).

Tags

CCSS.7.G.B.5

Front

What type of angles are 70 degrees and 110 degrees?

Back

Supplementary angles (70 + 110 = 180).

Tags

CCSS.7.G.B.5