Resposta :
[tex]\boxed{\begin{array}{l}\sf 960^\circ=\dfrac{960\div60}{180\div60}\pi=\dfrac{16}{3}\pi\\\sf \dfrac{0,105\cdot180}{\pi}\approx 6\end{array}}[/tex]
[tex]\boxed{\begin{array}{l}\sf 960^\circ=\dfrac{960\div60}{180\div60}\pi=\dfrac{16}{3}\pi\\\sf \dfrac{0,105\cdot180}{\pi}\approx 6\end{array}}[/tex]