Question

fine the distance between p(2,8 and q(5,3)

Answer 1

$d = \sqrt{(x_{2} - x_{1})^{2} + (y_{2} - y_{1})^{2}}$
$d = \sqrt{(5 - 2)^{2} + (3 - 8)^{2}}$
$d = \sqrt{(3)^{2} + (-5)^{2}}$
$d = \sqrt{9 + 25}$
$d = \sqrt{34}$