Answer
$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$
Work Step by Step
The distance $d$ betweent the points $(x_1, y_1)$ and $(x_2, y_2)$ is given by the formula
$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$
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