Question

Distance formula help.

Answer 1

\[D=\sqrt{(x_{2}-x_{1})^{2}+(y_{2}-y_{1})^{2}}\]

where (-5,2)=(x1,y1) and (6,3)=(x2,y2)

Answer 2

it is basically pythagoras
you could draw a straight line joining the points then make a triangle
and work out the side lengths
and do pythagoras