Question

 cálcule a distância A(-1,-2 ) B (-2, 3)

Answer 1

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

$\mathsf{ d_{AB}=\sqrt{(-2-(-1))^2+(3-(-2))^2}}$

$\mathsf{ d_{AB}=\sqrt{ (-1)^2+(5)^2}}$

$\mathsf{d_{AB}=\sqrt{1+25} }$

$\boxed{\boxed{\mathsf{ d_{AB}=\sqrt{26}}}}$