## Algebra: A Combined Approach (4th Edition)

Using the formula $$r = \sqrt \frac{A}{4\pi}$$ We can substitute the 32.17 $m^{2}$ surface area of the sphere for $A$. $$r = \sqrt \frac{32.17 m^{2}}{4\pi}$$ We then solve to get 1.600002269, which, rounded to the nearest tenth, is 1.6 meters.