Lösung Umrechnungsformel

\(\frac{s}{2\pi}=\frac{\alpha}{360^\circ}\) | \(\cdot{2\pi}\)

 \(s=\frac{\alpha}{360^\circ}\cdot 2\pi\)

 \(s=\frac{\alpha}{180^\circ}\cdot \pi\)

Probe:

 \(s=\frac{150^\circ}{180^\circ}\cdot \pi = \frac{5}{6} \cdot\pi\)