Exploring Complementary and Supplementary Angles

What is the complementary angle of 41 degrees?

• 41 degrees

• 139 degrees

• 90 degrees

• 49 degrees

In a pair of complementary angles, if one angle is 72 degrees, the other angle is?

• 18 degrees

• 108 degrees

• 72 degrees

• 90 degrees

What is the supplementary angle of 140 degrees?

• 40 degrees

• 140 degrees

• 50 degrees

• 40 degrees

What type of angles sum up to 90 degrees?

• Adjacent angles

• Vertical angles

• Supplementary angles

• Complementary angles

If two angles sum up to 180 degrees, they are called?

• Complementary angles

• Vertical angles

• Adjacent angles

• Supplementary angles

For the equation 5x + 11 + 7x + 7 = 90, what is the value of x?

• 6

• 8

• 5

• 7

If angle A and angle B are complementary and the expression for angle A is 5x + 11, what could be the expression for angle B?

• x + 79

• 7x + 7

• 5x - 11

• 85 - x

If the expression for two supplementary angles are 14x + 6 and 2x + 14, what is the value of x?

• 10

• 16

• 14

• 12

When two angles are supplementary and one angle is 6x + 10, what could be the expression for the other angle?

• 3x + 15

• 174 - x

• 4x - 30

• x + 170

What is the measure of angle N if M and N are supplementary angles and the expression for M is 6x + 10 with x = 20?

• 130 degrees

• 70 degrees

• 50 degrees

• 150 degrees