Question

Distância do ponto A B sendo A(3,5) e B(-2,9) ?

Answer 1

Resposta:

$d_{AB}=\sqrt{(x_B-x_A)^2+(y_b-y_A)^2} \\ \\ d_{AB}=\sqrt{(-2-3)^2+(9-5)^2} \\ \\ d_{AB}=\sqrt{(-5)^2+(4)^2} \\ \\ d_{AB}=\sqrt{25+16} \\ \\ \\\boxed{ d_{AB}=\sqrt{41} }$