1. ANGLE PAIRS AND RELATIONSHIPS WITH PARALLEL LINES 3.1-3.2

2. DEFINITIONS  Parallel Lines:   Skew Lines:   Parallel Planes:

3. EXAMPLES

4. EXAMPLE 1

5. TRANSVERSALS  Transversal:

8. EXAMPLE 2  Corresponding Angles (Corr. Angles):   Alternate int. Angles (AIA):   Alternate ext. Angles (AEA):   Consecutive Interior Angles (Same Side Interior Angles (SSIA)):

10. CORRESPONDING ANGLES POSTULATE

11. EXAMPLE 4  Find the measure of all of the Numbered angles.

14. SOLVE FOR X

17. HOMEWORK  WS 3.1 A 1-24  WS 3.2 B 1-21 odd