[tex]a = 8\sqrt{3}\\tg30^{o} = \frac{\sqrt{3}}{3}\\\\\frac{x}{a} = tg30^{o}\\\\x = a\cdot tg30^{o}\\\\x = 8\sqrt{3}\cdot\frac{\sqrt{3}}{3} =\frac{8\cdot\sqrt{3^{2}}}{3} = \frac{8\cdot3}{3} = \boxed{8 \ m}\\\\\underline{Odp. \ D.}[/tex]
