Complementary/Supplementary Unknown Angles

Front

What is the definition of complementary angles?

Back

Complementary angles are two angles whose measures add up to 90 degrees.

Front

What is the definition of supplementary angles?

Back

Supplementary angles are two angles whose measures add up to 180 degrees.

Front

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

Back

60 degrees

Front

If one angle measures 120 degrees, what is its supplement?

Back

60 degrees

Front

What is the complement of an angle measuring 45 degrees?

Back

45 degrees

Front

If two angles are complementary, and one angle measures 25 degrees, what is the other angle?

Back

65 degrees

Front

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

Back

70 degrees

Front

What is the relationship between vertical angles?

Back

Vertical angles are equal in measure.

Front

If angle A and angle B are complementary, and angle A measures 40 degrees, what is angle B?

Back

50 degrees

Front

What do you call angles that add up to 180 degrees?

Back

Supplementary angles.