Complementary, Supplementary and Vertical Angles

Find the value of 7x.

• 70

• 80

• 10

• 180

What is the value of x?

• 12

• 7

• 6

• 9

Which equation would help solve for x?

• (2x) - (6x+ 20) = 90

• (2x) + (6x+ 20) = 90

• (2x) + (6x+ 20) = 180

• (2x) - (6x + 20) = 180

Find the value of "x".

• 25

• 5

• 8

• 15

What is the Value of x?

Mathematical Equivalence

ON

∠1 and ∠3 can best be described as - 

• complementary angles

• supplementary angles

• vertical angles

• adjacent angles

Solve for b

• 141

• 90

• 180

• 39

• x = 118
• x = 108
• x = 28
• x = 58

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

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

• 7°

• 17°

• 83°

• 97°