## Precalculus (6th Edition) Blitzer

10$\pi$ feet $\approx$ 31.42 feet
θ =225 ° = $\frac{225 °\pi}{180 °}$ As we know, s = θr. So, s = 8 x $\frac{225 °\pi}{180 °}$ = 10$\pi$ feet $\approx$ 31.42 feet.