Algebra and Trigonometry 10th Edition

Published by Cengage Learning
ISBN 10: 9781337271172
ISBN 13: 978-1-33727-117-2

Chapter 1 - 1.3 - Modeling with Linear Equations - 1.3 Exercises - Page 99: 75



Work Step by Step

Area of a circle with radius of 2 inches: $A=\pi2^2=4\pi~in^2$ Area of a square with a side length of 4 inches. $A=l^2=4^2=16~in^2$ We know that $\pi=3.14...$ So: $\pi\lt4$ $4\pi\lt4\times4$ $4\pi\lt16$
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