Complementary and Supplementary and Vertical

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

The measure of an angle is 2 times the measure of its complement. Tina writes an equation and finds the correct measure of each angle. Which shows the equation Tina could have written and the angle measures she could have found?

• 27.6°

• 87.8°

• 62.2°

• 105.8°

Find the missing angle.

• 60°

• 70°

• 50°

• 140

What is the value of x?

• 130

• 55

• 40

• 35

Tell whether the angles are complementary or supplementary. Then find the value of x.

• Complementary; x=25

• Complementary; x=5

• Supplementary; x=25

• Supplementary; x=5

Solve for b

• 141

• 90

• 180

• 39

If the measure of ∠2 is 83°, what is the measure of ∠3?

• 7°

• 17°

• 83°

• 97°

What is the value of x?

• 60

• 26

• 14

• 10

What is the complement angle to 30°?

• 60°

• 30°

• 150°

• 230˚