Parallel Lines and Transversals Equations

If ∠9 ≅ ∠12, then ________.

• line a is parallel to line b

• line d is parallel to line c

• none of the lines can be determined to be parallel.

• line a is parallel to line d

• line c is parallel to line b

Identify each pair of angles.

• alternate exterior

• same-side interior

• corresponding

• alternate interior

Identify each pair of angles.

• vertical

• corresponding

• alternate exterior

• alternate interior

If A=B and B=C, then A=C. What is this property?

• Transitive

• Reflexive

• Symmetric

• Substitution

What is the value of x?

• 26

• -10

• 10

• 154

Given line m || n, what is the value of y?

• 180

• 90

• 15

• 17

Find the value of x. 

• x = 133

• x = 47

WHAT IS THE VALUE OF X?

• 16

• 6.6

• 10 

• -16

If m∠2 = 60, what is m∠4?

• 180

• 120

• 60

• 30