Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 10 - Section 10.3 - Simplifying Radical Expressions - Exercise Set - Page 705: 109


The radius of the "zorb" (sphere) is approximately 1.6 meters.

Work Step by Step

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.
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