• Parallel

• Not Parallel

Two angles whose sum equals 180° are called...

• Supplementary angles.

• Obtuse angles.

• Complementary angles.

• A straight line.

Which equation can be used to solve for x?

• 9x - 39 = 180

• 9x - 39 = 90

• 3x + 21 = 6x - 60

What value of x will make line m parallel to line n?

• 133

• 161

• 19

• 180

Lines A and B are parallel and are cut by a transversal. What is the value of x?

• x = 8

• x = 13

• x = 74

• x = 106

Which is the correct equation to solve for x?

• 16X + 180 = 90

• 12X - 29 = 4X + 1

• 12X - 29 + 4X + 1 = 90

• 12X - 29 + 4X + 1 = 180

What is the measure of angle b?

• 36^o
• 56^o
• 63^o
• 117^o

Find the value of x.

• A
• B
• C
• D

Find the measure of each indicated angle.

• 139°

• 66°

• 138°

• 114°

Find the measure of the missing angle.

• 90^o

• 10^o

• 130^o

• 50^o