Parallel Lines and Transversals Definition

If ∠2 is supplementary to ∠3, then line a is parallel to line _.

The last statement is <4 = <6. What is the last reason

• Prove

• Definition of congruent angles

• Transitive Property

• Alternate Interior Angles Theorem

What is the relationship of ∠4 and ∠7?

• Corresponding Angles

• Alternate Interior Angles

• Alternate Exterior Angles

• Consecutive Interior Angles

• Linear Pair

What is the relationship of ∠16 and ∠8?

• Corresponding Angles

• Alternate Interior Angles

• Alternate Exterior Angles

• Consecutive Interior Angles

• Linear Pair

When two parallel lines are cut by a transversal, all pairs of angles created are either _________ or _________.

• Congruent, supplementary

• Congruent, complementary

• Supplementary, complementary

• Corresponding, vertical

Which value of x will show that lines l and m are parallel?

• 20

• 22

• 24

• 25

What value of x proves that line p is parallel to line r?

• 14

• 12.5

• 15

• 25

Supply the third reason.

• Vertical Angle Theorem

• Corresponding Angles Postulate

• Alternate Interior Angles Postulate

• Same Side Interior Angles Theorem

Which pair of angles must be supplementary so that r is parallel to s?

• ∠2 and ∠3

• ∠5 and ∠6

• ∠4  and ∠10

• ∠6  and ∠14

What is the measure of ∠8?

• 55

• 155

• 135

• 45