## Geometry: Common Core (15th Edition)

use the distance formula $d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$ substitute $d=\sqrt{(3-(-3))^2+(-2-2)^2}$ simplify in paretheses $d=\sqrt{(6)^2+(-4)^2}$ simplify $d=\sqrt{36+16}$ $d=\sqrt{52}$ $d=7.2$