Question

Two points in the xy plane have Cartesian coordinates (5.50, −6.00) m and (−3.50, 3.50) m

Answer 1

$Distance formula =\sqrt{(x_1-x_2)^2 +(y_1-y_2)^2} \\$

$distance=\sqrt(5.5-(-3.5))^2 +(-5.5-3.5)^2 \\ =\sqrt{9^2+(-9)^2} \\ =9\sqrt {2} m$

$d=12.7279$