Respuesta :

This involves the midpoint formula

It’s based off of the pythagorean theorem.

Root( (x1 - x2)^2 + (y1 - y2)^2 )

-15 - -18 = 3
-9 - -24 = 15

Root( 3^2 + 15^2 )

Root(234) ~= 15.2971