Proving Lines Parallel

Which could be used to prove the lines are parallel?

• Converse of Alternate Interior Angles Theorem

• Converse of Same-Side 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, 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

If two lines are cut by a transversal and the alternate interior angles are congruent, what can be concluded about the two lines?

• The lines are perpendicular.

• The lines are parallel.

• The lines intersect at one point.

• No conclusion can be drawn.

• Converse of Corresponding Angles Postulate

• Corresponding Angles Postulate

• Converse of Consecutive Interior Angles Theorem

• Converse of Alternate Interior Angles Theorem

• Consecutive Interior Angles Theorem

• Converse of Consecutive Interior Angles Theorem

• Converse of Alternate Interior Angles Theorem

• Converse of Corresponding Angles Theorem

• Yes, vertical angles are congruent

• No, vertical angles are not enough to prove lines parallel

• Yes, corresponding angles are congruent

• Yes, alternate interior angles are congruent

What value of x would make line m || line n?

• 54

• 126

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

• 20

• 22

• 24

• 25