Question

qual é a distancia do ponto A(13,5) ao ponto B(5,4)

Answer 1

$\texttt{Dist\^ancia~entre~dois~pontos:}\\\\ d= |\overrightarrow{AB}|=|B-A|\texttt{,~portanto}\\\\ d= \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\\\d= \sqrt{(5-13)^2+(4-5)^2}\\\\d= \sqrt{(-8)^2+(-1)^2}\\\\d=\sqrt{64+1}\\\\ \fbox{\fbox{ d= \sqrt{65}\approx8,06 }}$