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 - Page 20: 26


55 feet

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 3025 is 55. The square root of 3000 is fairly close to the square root of 3025, so 55 is a good approximation for the square root of 3000. Thus, each side of the launching pad is about 55 feet long.
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