Complementary Supplementary and 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 vertical angles?

Back

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

Front

What is the supplement of an angle measuring 30 degrees?

Back

150 degrees.

Front

What is the complement of an angle measuring 30 degrees?

Back

60 degrees.

Front

Give an example of a pair of complementary angles.

Back

81° and 9°.

Front

Give an example of a pair of supplementary angles.

Back

120° and 60°.

Front

What type of angles are formed when two lines intersect?

Back

Vertical angles.

Front

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

Back

110 degrees.

Front

If one angle measures 45 degrees, what is its complement?

Back

45 degrees.