1. Module 14: Lesson 2 Transversals and Parallel Lines
A line that intersects 2 coplanar lines at 2 different points. 1 2 p 3 4 5 6 q 7 8

2. t 1 2 p 3 4 5 6 q 7 8

3. t p 3 4 5 6 q

4. t p 3 4 5 6 q

5. t 1 2 p q 7 8

6. Same-Side Interior Angles Postulate
If 2 parallel lines are cut by a transversal, then pairs of same-side interior angles are supplementary. t p 3 4 5 6 q

7. Alternate Interior Angles Theorem
If 2 parallel lines are cut by a transversal, then pairs of alternate interior angles are congruent…or have the same measure. t p 3 4 5 6 q

8. Corresponding Angles Theorem
If 2 parallel lines are cut by a transversal, then pairs of corresponding angles are congruent…or have the same measure. t 1 2 p 3 4 5 6 q 7 8

9. Alternate Exterior Angles Theorem
If 2 parallel lines are cut by a transversal, then pairs of alternate exterior angles are congruent…or have the same measure. t 1 2 p q 7 8

10. Statement Reason p װ q Given
Proof of the alternate interior angles theorem 1 2 p 3 4
Statement
Reason
p װ q
Given 5 6 q 7 8

11. Homework pages 694-697 #1-20 (all)