3.3 Prove Lines are Parallel part II

Do Now: In your note books, choose the word that best completes the statement.


1) If two lines are cut by a transversal so the alternate interior angles are (congruent, supplementary, complementary), then the lines are parallel.

2) If two lines are cut by a transversal so the consecutive interior angles are (congruent, supplementary, complementary), then the lines are parallel.

3) If two lines are cut by a transversal so the corresponding angles are (congruent, supplementary, complementary), then the lines are parallel.





Proof Practice