Complementary, Supplementary, and Vertical 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 are vertical angles?

Back

Vertical angles are the angles opposite each other when two lines intersect. They are always equal.

Tags

CCSS.7.G.B.5

Front

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

Back

60 degrees (180 - 120 = 60).

Tags

CCSS.7.G.B.5

Front

True or False: Vertical angles are always equal.

Back

True.

Tags

CCSS.7.G.B.5

Front

If angle 1 and angle 2 are vertical angles, and angle 1 measures 70 degrees, what is the measure of angle 2?

Back

70 degrees.

Tags

CCSS.7.G.B.5

Front

What is the relationship between complementary angles?

Back

They add up to 90 degrees.

Tags

CCSS.7.G.B.5

Front

What is the relationship between supplementary angles?

Back

They add up to 180 degrees.

Tags

CCSS.7.G.B.5

Front

If angle 3 is 45 degrees, what is the measure of its complementary angle?

Back

45 degrees (90 - 45 = 45).

Tags

CCSS.7.G.B.5