Question

determine as coordenadas do ponto médio do segmento rs sendo r (9,2) e s(-4,8)

Answer 1

$PM=( \frac{x1+x2}{2} ; \frac{y1+y2}{2} )$
$PM=( \frac{9-4}{2} ; \frac{2-8}{2} )$
$PM=( \frac{5}{2} ; \frac{-6}{2} )$
$PM=( \frac{5}{2} ; -3$)