## Elementary Algebra

Published by Cengage Learning

# Chapter 3 - Equations and Problem Solving - 3.3 - More on Solving Equations and Problem Solving - Problem Set 3.3 - Page 115: 45

#### Answer

The area is 0.25$\pi$ yard ssquared.

#### Work Step by Step

The formula for the area of a circle is $\pi$ $\times$ $r^{2}$ The diameter is twice the radius. So: d = 2r 1 = 2r r = 0.5 Substitute 0.5 for r to obtain: A = $\pi$ $\times$ $0.5^{2}$ A = $\pi$ $\times$ 0.25 A = 0.25$\pi$

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