Solving for Missing Variables

Solve for x

• 5

• 90

• 25

• 10

Solve for x

• 6

• 140

• 20

• 90

Solve for x

• 5

• 10

• 25

• 85

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

• Complementary, 15

• Supplementary, 16

• Complementary, 18

• Supplementary, 19

Lines r and s are cut by a transversal. What value of x proves r ∥ s?

• 43

• 37

• 143

• 7.6666...

What is the value of y?

• 29

• 119

• 58

Find x, then find the measurement of both angles.

• x = 30; both angles measure 118 degrees

• x = 30; both angles measure 114 degrees

• x = 20; both angles measure 112 degrees

• x = 20; both angles measure 110 degrees

Solve for x.

• 4

• 9

• 10

• -7

Use the given information to solve for x.

• x = 60

• x = 10

• x = 132

• x = 22

Find the measure of angle 1.

• 28^o

• 136^o

• 44^o

• 6^o