Finding Measures of Supplementary Angles

Supplementary angles always add up to

Two angles are suppplementary if the sum of their angles is 180^o

• True

• False

Supplementary Angles add up to be ______-degrees

• 270

• 180

• 90

• 120

If two angles are supplementary and one angle measures 70 degrees, what is the measure of the other angle?

• 110

• 120

• 90

• 40

If ∠K and ∠S are supplementary, and the measure of ∠K is 58°, what is the measure of ∠S?

• 122

• 22

• 110

• 32

If ∠A and ∠B are supplementary, and the measure of ∠A is 120°, what is the measure of ∠B?

• 180

• 50

• 60

• 80

Angles C and D are SUPPLEMENTARY. Angle C has a measure of 30 degrees, what is the angle measure of angle D?

• 30 degrees

• 60 degrees

• 150 degrees

• 180 degrees

Two angles are supplementary. One angle's measure is 130°. What is the measure of the other angle?

• 40

• 130

• 50

Two angles are supplementary and one of the angles measures 97 degrees. Find the measure of the other angle.

____ degrees

Two angles are supplementary. One angle's measure is 53°. What is the measure of the other angle?

• 53

• 37

• 127