Complementary, Supplementary, and Vertical Angle Equations

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 are vertical angles?

• Angles that add up to 180°

• Angles that add up to 90°

• Angles that add up to 360°

• Angles that are opposite of each other when lines intersect and are equal

What kind of angles are shown?

• complementary

• supplementary

• adjacent

• corresponding

Find the value of x.

• 15

• 16

• 18

• 19

What is the supplement of 12°?

• 78°

• 180°

• 168°

• 90°

Name the vertical angle to
∠h.

• ∠f

• ∠i

• ∠g

• ∠j

Solve for x.

• 20

• 60

• 90

• 180

Find the value of x. 

• 13

• 5

• 55

• 54

complementary, supplementary, or neither?

• Complementary

• Supplementary

• Neither

What is an example of a pair of complementary angles?

• 13° and 45°

• 10° and 170°

• 81° and 9°

• 90° and 3°