Supplementary, Complimentary, Vertical, Missing Angles

Front

What is a supplementary angle?

Back

Two angles whose sum is 180 degrees.

Front

What is a complementary angle?

Back

Two angles whose sum is 90 degrees.

Front

What are vertical angles?

Back

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

Front

If one angle measures 70 degrees, what is its complementary angle?

Back

20 degrees.

Front

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

Back

70 degrees.

Front

What is the sum of angles in a triangle?

Back

180 degrees.

Front

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

Back

60 degrees.

Front

If two angles are supplementary, and one angle measures 120 degrees, what is the other angle?

Back

60 degrees.

Front

What is the relationship between complementary angles?

Back

They add up to 90 degrees.

Front

What is the relationship between supplementary angles?

Back

They add up to 180 degrees.