# How do you change (-13pi)/12 radians to degree measure?

We convert radian to degrees on multiplying by $\left(\frac{180}{\pi}\right)$
$= \left(\frac{- 13 \pi}{12}\right) . \left(\frac{180}{\pi}\right)$
$= - 13 \times \left(\frac{180}{12}\right)$
$= - 13 \times 15$
$= - {195}^{o}$