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

Two angles that are congruent and opposite each other, sharing a common vertex.

Front

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

Back

60 degrees.

Front

If one angle is 120 degrees, what is its supplementary angle?

Back

60 degrees.

Front

What is the sum of angles in a triangle?

Back

180 degrees.

Front

If two angles are complementary and one angle is 45 degrees, what is the other angle?

Back

45 degrees.

Front

If two angles are supplementary and one angle is 70 degrees, what is the other angle?

Back

110 degrees.

Front

What is the relationship between vertical angles?

Back

Vertical angles are always equal.

Front

If angle A is 40 degrees, what is the measure of angle B if A and B are complementary?

Back

50 degrees.