1. Basics

2. Undefined terms Point: a dot, no dimension Line: a line the an arrow on each end, one dimension Plane: two dimensions

3. Vocab Collinear points: points on the same line Coplanar points: points in the same plane Segment: all points in between two endpoints Ray: all points starting at one endpoint and continuing towards another point

4. Intersections The intersection of two lines is a point The intersection of two planes is a line.

5. Practice Two other names for the line AB Name a pair of opposite rays. Name a point that is not coplanar with the points A, B, and C

6. Ruler Postulate Segment Addition Postulate

7. Practice Use the number line to find the distance of: XY, YZ, and XZ

8. Homework Pg. 6 (17-21 & 27-37) odd Pg. 12 (3-11 & 21-25) odd