Question

Calcule a distancia entre os seguinte pontos a(4,5)eb(-5,-4)?

Answer 1

$d$$($$A, B)= \sqrt{(4 + 1)^{2} + (-5 - 7)^{2}$

$d(A, B) = \sqrt{5^{2} } + (-12)^{2} \\d(A, B) = \sqrt{25 + 44} \\d(A, B) = \sqrt{169} \\d(A, B) = 13$