Question

a distancia entre os pontos M(4,-5) e N(-1,7) do plano x0y vale?

Answer 1

A(4,-5) e B(-1,7)

D² = ( xb - xa )² + ( yb - ya )²

D² = ( -1 - 4 )² + ( 7 + 5 )²

D² = ( -5 )² + 12²

D² = 25 + 144

D = √169

D = 13