Supplementary, Complementary, Vertical Angle Measurement

Two angles are suppplementary if the sum of their angles is 180^o

• True

• False

Complementary angles are angles that add up to ___________. 

• 180 degrees

• 90 degrees

• 360 degrees

• 100 degrees

Vertical angles are always

• acute

• total 180 degrees

• congruent (equal measures)

• adjacent angles

Find the measure of angle a. (supplementary)

• 59

• 149

• 31

What is the value of x?

• 12

• 7

• 6

• 9

• 2x-6=7x+4
• 2x-6+7x+4=90
• 2x-6+7x+4=180
• 2x-6+7x+4=360

Find the value of x.

• 15

• 16

• 18

• 19

Which equation would help solve for x?

• (2x) - (6x+ 20) = 90

• (2x) + (6x+ 20) = 90

• (2x) + (6x+ 20) = 180

• (2x) - (6x + 20) = 180

Find x.

Find the value of x.

• 128

• 134

• 122

• 116