How do you change (5pi)/18 radians to degree measure?

$\frac{5 \pi}{18}$
We convert radian to degrees on multiplying by $\left(\frac{180}{\pi}\right)$
$= \left(\frac{5 \cancel{\pi}}{18}\right) . \left(\frac{180}{\cancel{\pi}}\right)$
$= 5 \times 10$
$= {50}^{o}$