Exploring Complementary and Supplementary Angles

What is the sum of complementary angles?

• 90 degrees

• 360 degrees

• 180 degrees

• 45 degrees

What is the value of x when angle ABD is 4x + 18 and angle DBC is 7x - 16, and they are complementary?

• 12

• 8

• 14

• 10

What is the measure of angle ABD if x = 8?

• 50 degrees

• 40 degrees

• 70 degrees

• 60 degrees

What is the sum of supplementary angles?

• 90 degrees

• 270 degrees

• 180 degrees

• 360 degrees

What is the value of x when the equation is 12x + 22 + 9x - 31 = 180?

• 9

• 11

• 8

• 10

What is the measure of angle ABD when x = 9 in a supplementary angle problem?

• 150 degrees

• 140 degrees

• 120 degrees

• 130 degrees

How many degrees are in a straight line?

• 360 degrees

• 270 degrees

• 90 degrees

• 180 degrees

What is the value of x when angles on a line add up to 180 and the equation is 6x - 2 + 9x + 17 + 8x + 4 = 180?

• 8

• 9

• 7

• 6

What is the measure of angle ABD when x = 7 in a line angle problem?

• 70 degrees

• 40 degrees

• 50 degrees

• 60 degrees

What is the measure of angle EBC in the line angle problem?

• 60 degrees

• 70 degrees

• 80 degrees

• 50 degrees