Proof Parallel Transversal

If two parallel lines are cut by a transversal then corresponding angles are __________.

• Congruent

• Supplementary

Alternate interior angles are _________.

• Congruent

• Supplementary

If two parallel lines are intersected by a transversal, then alternate exterior angles are _________.

• Congruent

• Supplementary

• 62

• 72

• 118

• 180

If it is given that p ∥ q, what are ALL correct statements that can be made?

• ∠1 ≅ ∠3 by the corresponding angles postulate

• ∠2 and ∠3 are supplementary by the linear pairs postulate

• ∠1 ≅ ∠2 by the alternate exterior angles theorem

If ∠8 ≅ ∠6, which of the following can be used to determine lines are parallel?

• Corresponding Angles Converse

• Alternate Interior Angles Converse

• Alternate Exterior Angles Converse

• Interiors on Same Side Converse

• none of the above

Angles 1 and 5 prove lines parallel... true or false?

• true

• false

Supply the first statement.

• m ll n

• < 4 = < 6

• Given

• Definition of parallel lines

Which reason should go in step 3

• Same side interior theorem

• Corresponding angles theorem

• Alternate interior angles theorem

• Alternate exterior angles theorem