Vertical, Complementary, Supplementary, and Adjacent 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 equal.

Tags

CCSS.7.G.B.5

Front

What are adjacent angles?

Back

Angles that share a common side and a common vertex but do not overlap.

Tags

CCSS.7.G.B.5

Front

What is the complement of a 45° angle?

Back

45° (because 45° + 45° = 90°).

Tags

CCSS.7.G.B.5

Front

If one angle is 70°, what is its complementary angle?

Back

20° (because 70° + 20° = 90°).

Tags

CCSS.7.G.B.5

Front

If two angles are supplementary and one angle is 110°, what is the other angle?

Back

70° (because 110° + 70° = 180°).

Tags

CCSS.7.G.B.5

Front

What is the relationship between vertical angles?

Back

Vertical angles are equal in measure.

Tags

CCSS.7.G.B.5

Front

If two angles are complementary, and one angle measures 30°, what is the other angle?

Back

60° (because 30° + 60° = 90°).

Tags

CCSS.7.G.B.5

Front

What do you call angles that add up to 180 degrees?

Back

Supplementary angles.

Tags

CCSS.7.G.B.5