Question

calcule a distancia entre os pontos a(2,3) e b(2,5)

Answer 1

$dAB= \sqrt{(2-2)^2 + (5-3)^2$
$dAB= \sqrt{(0)^2 + (2)^2$
$dAB= \sqrt{(0 + 4 )$
$dAB= \sqrt{4$
$dAB= 2$