Exploring Complementary and Supplementary Angles

What is the sum of complementary angles?

• 90 degrees

• 180 degrees

• 360 degrees

• 45 degrees

If one angle is 66 degrees, what is its complementary angle?

• 66 degrees

• 114 degrees

• 30 degrees

• 24 degrees

What is the correct way to identify complementary angles?

• Angles that sum up to 90 degrees

• Angles that are opposite to each other

• Angles that are adjacent to each other

• Angles that sum up to 180 degrees

What is the sum of supplementary angles?

• 90 degrees

• 180 degrees

• 360 degrees

• 270 degrees

If one angle is 108 degrees, is it supplementary to an angle of 72 degrees?

• Yes

• Only if they are adjacent

• No

• Cannot be determined

Which of the following is a pair of supplementary angles?

• 45 degrees and 45 degrees

• 90 degrees and 90 degrees

• 85 degrees and 95 degrees

• 30 degrees and 60 degrees

How do you find the value of x if x + 125 = 180?

• x = 55

• x = 305

• x = 45

• x = 65

What is the value of y if y + 37 = 180?

• y = 143

• y = 217

• y = 123

• y = 147

If angle AOC is 2x, COD is x, and DOB is 126, what is the value of x for them to be supplementary?

• x = 18

• x = 54

• x = 36

• x = 126

If 2y + 70 + 3y = 180, what is the value of y?

• y = 22

• y = 44

• y = 66

• y = 88