Question

a distancia entre dois pontos A (1,2) B ( 4,6)

Answer 1

$D= \sqrt{(x1-y2)^2+(y1-y2)^2$

$[tex]D= \sqrt{(1-4)^2+(-2-(-6))^2$[/tex]

$D= \sqrt{(-3)^2+(4)^2$

$D= \sqrt{(9)+(16)$


$D= \sqrt{(25)$

D= 5