1. Use Midpoint and Distance Formulas
1.3 Notes Geometry
Use Midpoint and Distance Formulas

2. Vocabulary
Midpoint
The point that divides the segment into two congruent segments.
Segment Bisector
A point, ray, line, line segment, or plane, that intersects the segment at its midpoint.

3. Example 1
VW bisects XY at point T, and XT= 39.9 cm. Find XY.

4. Example 2
Point M is the midpoint of VW. Find the length of VM. 4x - 1 3x + 3

5. MIDPOINT FORMULA
**MEMORIZE**

6. Midpoint Formula Explained

7. Example 3
The endpoints of RS are R(1, -3) and S (4, 2). Find the coordinates of the midpoint M.

8. Example 4:
The midpoint of JK is M(2, 1). One endpoint is J(1,4). Find the coordinates of endpoint K.

9. Homework
Pg. 19 #2, 3, 7, 9, 11, 13, 15, 17, 19, 21, 23, 25, 29, 35, 45, 47