Complementary, Supplementary, Adjacent, Vertical 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 adjacent angles?

Back

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

Front

What are vertical angles?

Back

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

Front

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

Back

60 degrees.

Front

If one angle is 110 degrees, what is its supplementary angle?

Back

70 degrees.

Front

What is the sum of two complementary angles?

Back

90 degrees.

Front

What is the sum of two supplementary angles?

Back

180 degrees.

Front

If two angles are adjacent and one measures 45 degrees, what is the maximum measure of the other angle if they are supplementary?

Back

135 degrees.

Front

If two vertical angles are equal and one measures 40 degrees, what is the measure of the other angle?

Back

40 degrees.