Complementary, Supplementary, and Vertical 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 are vertical angles?

Back

Angles that are opposite each other when two lines intersect; they are always congruent.

Tags

CCSS.7.G.B.5

Front

If angle A is 30°, what is its complement?

Back

60° (because 90° - 30° = 60°).

Tags

CCSS.7.G.B.5

Front

If angle B is 120°, what is its supplement?

Back

60° (because 180° - 120° = 60°).

Tags

CCSS.7.G.B.5

Front

What is the relationship between vertical angles?

Back

Vertical angles are always congruent (equal in measure).

Tags

CCSS.7.G.B.5

Front

If angle C is 45°, what is the measure of its vertical angle?

Back

45° (vertical angles are equal).

Tags

CCSS.7.G.B.5

Front

What is the supplement of 90°?

Back

90° (because 180° - 90° = 90°).

Tags

CCSS.7.G.B.5

Front

If angle D is 75°, what is its complement?

Back

15° (because 90° - 75° = 15°).

Tags

CCSS.7.G.B.5

Front

Back

Tags

CCSS.7.G.B.5