Complementary, Supplementary, Vertical, Adjacent Angles + Equations

What is the supplement of 12°?

• 78°

• 180°

• 168°

• 90°

Solve for x

• 20

• 25

• 120

• 180

Name the vertical angle to
∠h.

• ∠f

• ∠i

• ∠g

• ∠j

Which are pairs of vertical angles?

• ∠COB & ∠COA

• ∠AOD & ∠AOC

• ∠COB & ∠AOD

• ∠BOD & ∠AOD

Solve for x.

• 20

• 60

• 90

• 180

complementary, supplementary, or neither?

• Complementary

• Supplementary

• Neither

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

What is an example of a pair of complementary angles?

• 13° and 45°

• 10° and 170°

• 81° and 9°

• 90° and 3°

Are these angles an example of complementary, supplementary, or neither?

• Complementary

• Supplementary

• Neither

Find the value of x. 

• 17

• 28

• 68

• 39.5