[tex] \tan(16) = \frac{8.3}{x} \\ [/tex]
[tex]0.2867453858 = \frac{8.3}{x} \\ [/tex]
Thus :
[tex]x = \frac{8 .3}{0.2867453858} \\ [/tex]
[tex]x = 28.9455398797[/tex]
[tex]x = 28.9[/tex]
