Parallel or Not Parallel Using Converses

• Parallel

• Perpendicular

• Neither

Which reason explains why the two lines are parallel?

• Corresponding Angles Converse

• Alt. Interior Angles Converse

• Alt. Exterior Angles Converse

• Same Side Int. Angles Converse

• Not Enough Information to Prove 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

• a||b, alternate interior angles converse

• a||b, alternate exterior angles converse

• c||d, alternate interior angles converse

• c||d, alternate interior angles converse

• Not Parallel

Given\ \angle10\ and\ \angle11 are supplementary, which lines, if any, are parallel? Explain.

• a||b, corresponding angles converse

• c||d, consecutive exterior angles converse

• a||b, same side interior angles converse

• c||d, same side interior angles converse

• Not Parallel

Which reason explains why the two lines are parallel?

• Corresponding Angles Converse

• Alt. Interior Angles Converse

• Alt. Exterior Angles Converse

• Not Enough Information to Prove Parallel

• Vertical Angles Theorem

• Not enough information

• Not enough information

• 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