Solving Proofs with Lines and Angles

• They are congruent

• They form vertical angles

• They form a linear pair

• They are non-adjacent angles

• They are non-adjacent angles

• True

• False

Given the following two parallel lines that have been cut by a transversal. Which two angles would be Alternate Exterior?

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

• 14

• 12.5

• 15

• 25