Complementary, Supplementary, Vertical, Adjacent Angles

Front

What are complementary angles?

Back

Two angles that add up to 90 degrees.

Front

What are supplementary angles?

Back

Two angles that add up to 180 degrees.

Front

What are vertical angles?

Back

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

Front

What are adjacent angles?

Back

Two angles that share a common side and a common vertex.

Front

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

Back

60 degrees.

Front

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

Back

70 degrees.

Front

Give an example of a pair of complementary angles.

Back

30° and 60°.

Front

Give an example of a pair of supplementary angles.

Back

120° and 60°.

Front

If ∠A and ∠B are vertical angles, and ∠A measures 45 degrees, what is the measure of ∠B?

Back

45 degrees.

Front

If two angles are adjacent and one measures 50 degrees, what is the maximum measure the other angle can have if they are supplementary?

Back

130 degrees.