Question

distância entre os pontos A(2, 2) e B(5, 2)​

Answer 1

$\sf d_{AB}=\sqrt{(x_B-x_A)^2+(y_B-y_A)^2}$

$\sf d_{AB}=\sqrt{(5-2)^2+(2-2)^2}$

$\sf d_{AB}=\sqrt{(3)^2+(0)^2}$

$\sf d_{AB}=\sqrt{9+0}$

$\sf d_{AB}=\sqrt{9}$

$\boxed{\boxed{\sf d_{AB}=3}}$