Question

 cálcule a distância A(5,3) B (10,8)

Answer 1

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

$\mathsf{d_{AB}=\sqrt{(10-5)^2+(8-3)^2} }$

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

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

$\mathsf{ d_{AB}=\sqrt{50}}$

$\boxed{\boxed{\mathsf{ d_{AB}=5\sqrt2}}}$