1. Do Now 8/29/12 Name the intersection of each pair of planes or lines. 1. 2. 3. 4. 5.

2. WordDefinitionPicture coordinate distance congruent segments midpoint segment bisector The real number that corresponds to the point. The absolute value of the difference of two coordinates. When two segments have the same length. A point that divides a segment into two congruent segments. A point, line, ray, or other segment that intersects a segment at its midpoint.

4. Given points A, B, & C are collinear, B is between A & C, then AB + BC = AC ***Hint*** draw stuff like this out!!! AB = 3 and BC = 5, Find AC BC = 17 and AC = 36, Find AB