1. Ruler Postulate & Segment Addition Postulate Chapter 1 - 4

2. Congruent Segments Two segments are congruent if they have the same measurement. applicable notations: Acceptable Notations:

3. Congruent Segments Segments may be marked alike to indicate that they are congruent

4. Congruent Segments Segments may be marked alike to indicate that they are congruent

5. Congruent Segments Segments may be marked alike to indicate that they are congruent

6. Let’s THINK…. Can two Lines be congruent? How about two Rays? Can two angles be congruent?

8. Segment Addition Postulate If three points A, B, and C are collinear and B is between A and C, then AB + BC = AC.