Applying the properties of angles created when parallel lines are cut by a transversal

Solve for x.

• 23

• -20

• 32

• 20

If angle B measures 120 degrees, find the measure of angle Q.

• 120 degrees
• -30 degrees
• 60 degrees

Find y.

• 130
• 50

Mathematical Equivalence

ON

Tags

8.GM.B

Which equation below can be used to solve for x? Line m is parallel to line n.

• 3x = x - 12

• 3x + (x - 12) = 180

• 3x + (x - 12) = 90

The posts for a stair rail are parallel. What is the value of x?

• 90°

• 30°

• 60°

• 150°

Tags

G.2b

Angle 1 and 6 are alternate exterior angles,  $m\angle1\ =\ 125\degree$   degrees, and  $m\angle6\ =\ 5x$  . Find the value of x.

• 125

• 100

• 20

• 25

In the figure above, what is the value of ∠B?

• 60^o

• 20^o

• 100^o

• 120^o

Solve for x.

• 4

• 2

• 6

• 7

Find $m\angle2.$  

•  $65\degree$  

•  $180\degree$  

•  $115\degree$