Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 3 - Equations and Problem Solving - 3.2 - Equations and Problem Solving - Problem Set 3.2 - Page 106: 48


$h = $$\frac{A}{2\pi r}$$ - r$

Work Step by Step

Using the properties of equality we obtain: A = 2$\pi$$r^{2}$ + 2$\pi$rh Subtract 2$\pi$$r^{2}$ from both sides A - 2$\pi$$r^{2}$ = 2$\pi$rh Divide both sides by 2$\pi$r $\frac{A}{2\pi r}$ $- r = h$
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