Question

Calcule a distancia entre os pontos:
C(-3,5) e D(-3,12)

Answer 1

$D = \sqrt{(xb-xa)^{2}+(yb-ya)^{2}} \\ D= \sqrt{((-3)^{2}-(-3)^{2})+(12^{2}-5^{2})} \\ D= \sqrt{9-9+(144-25)} \\ D= \sqrt{0+119} = 10,90$