## Precalculus (6th Edition) Blitzer

$\frac{16\pi}{3}$ inches $\approx$ 16.76 inches
θ =60 ° = $\frac{\pi}{3}$ As we know, s = θr. So, s = 16 x $\frac{\pi}{3}$ = $\frac{16\pi}{3}$ inches $\approx$ 16.76 inches.