Question

calcule a distância entre os pontos A (4,2) e B (-3,4)​

Answer 1

$\large\boxed{\begin{array}{l}\sf d_{AB}=\sqrt{(x_B-x_A)^2+(y_B-y_A)^2}\\\sf d_{AB}=\sqrt{(-3-4)^2+(4-2)^2}\\\sf d_{AB}=\sqrt{(-7)^2+(2)^2}\\\sf d_{AB}=\sqrt{49+4}\\\sf d_{AB}=\sqrt{53}\end{array}}$