Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 1 - Foundations for Algebra - 1-3 Real Numbers and the Number Line - Practice and Problem-Solving Exercises - Page 20: 26


$55$ feet

Work Step by Step

A square with area $3000$ square feet will have side lengths that are the square root of the area. This is because, for a square, Area = $s^2$, so $s=\sqrt A$ With an area of $3000$ feet squared, $s=\sqrt {3000}$ We will use method 2 in the book to estimate the square root. According to a calculator's square root function, $\sqrt {3000}\approx54.77$ feet Since $54.77$ is closer to $55$ than to $54$, we round to the nearest integer which is $55$ feet.
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