## Geometry: Common Core (15th Edition)

Published by Prentice Hall

# Chapter 1 - Tools of Geometry - 1-8 Perimeter, Circumference, and Area - Practice and Problem-Solving Exercises - Page 67: 62

3.6 units

#### Work Step by Step

Use the distance formula to find AB. $d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ $d=\sqrt{(-2-4)^2+(3-(-1))^2}$ $d=\sqrt{(-6)^2+(4)^2}$ $d=\sqrt{(36+16}$ $d=\sqrt{52}$ $d=7.2$ The distance from the midpoint is half the distance from A to B. $MB=\frac{AB}{2}=\frac{7.2}{2}=3.6$

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