Exploring Complementary and Supplementary Angles

What is the sum of complementary angles?

• 60 degrees

• 45 degrees

• 180 degrees

• 90 degrees

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

• 60 degrees

• 90 degrees

• 120 degrees

• 150 degrees

How do you find the measure of a missing complementary angle?

• Multiply the known angle by 2

• Subtract the known angle from 180 degrees

• Add the known angle to 90 degrees

• Subtract the known angle from 90 degrees

What is the sum of supplementary angles?

• 180 degrees

• 90 degrees

• 360 degrees

• 270 degrees

If one angle measures 120 degrees, what is the measure of its supplementary angle?

• 180 degrees

• 60 degrees

• 90 degrees

• 120 degrees