Question

le a distancia entre os pontos A (5,8) e B (3,5)

Answer 1

Bom dia Rafael; vamos lá!

Aplicando:

$\large\boxed{d= \sqrt{(\Delta{x})^2+(\Delta{y})^2} }$

Logo:

$d= \sqrt{(3-5)^2+(5-8)^2} \\ d= \sqrt{(-2)^2+(-3)^2} \\ d= \sqrt{4+9} \\ \large\large{\boxed{d= \sqrt{13} ~ u.c}$