2/12 warm up

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

Which condition will prove that line l is parallel to line m?

• ∠1 ≅ ∠3
• ∠3 ≅ ∠5
• ∠1 ≅ ∠6
• ∠6 ≅ ∠5

Which of the following relationship proves that j is parallel to k?

• ∠3 and ∠4 are supplementary
• ∠4 and ∠5 are supplementary
• ∠1 ≅ ∠3
• ∠2 ≅ ∠3

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

• 20
• 22
• 24
• 25

Which could be used to prove the lines are parallel?

• Converse of Vertical Angles

• Converse of Alternate Interior Angles Theorem

• Converse of Corresponding Angles Postulate

• Cannot be proved parallel

• No

• Yes, Corresponding angles are congruent

• Yes, Alternate Interior angles are congruent

• Yes, Alternate Exterior angles are congruent

• No

• Yes, corresponding angles are congruent

• Yes, consecutive interior angles are congruent

• Yes, Alternate exterior angles are congruent