Question

determine the value of x

Answer 1

$cos \: 30 = \frac{x}{8} \\ \\ \frac{ \sqrt{3} }{2} = \frac{x}{8} \\ \\ 8 \sqrt{3} = 2x \\ \\ \frac{8 \sqrt{3} }{2} = x \\ \\ 4 \sqrt{3 } = x$