Respuesta :

[tex]\begin{gathered} 1.\text{ }\frac{9\pi}{10}=\frac{9}{10}\times180=162^{\circ} \\ 2.\text{ }\frac{11\pi}{8}=\frac{11}{8}\times180=247.5^{\circ} \\ 3.\text{ }\frac{10\pi}{3}=\frac{10}{3}\times180=600^{\circ} \end{gathered}[/tex]