Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-3 Real Numbers and the Number Line - Practice and Problem-Solving Exercises: 24

Answer

4 Meters

Work Step by Step

The area of a square is the length of a side squared. Thus, this problem requires the exact same process as 19 through 23 where we approximate the root of the area, so we consider the closest square root that gives us an integer answer. We know that the square root of 16 is 4. The square root of 18 is fairly close to the square root of 16, so 4 meters is a good approximation for the length of a square with an area of $18m^2$
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