Algebra 1: Common Core (15th Edition)

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

Chapter 9 - Quadratic Functions and Equations - 9-3 Solving Quadratic Equations - Practice and Problem-Solving Exercises - Page 565: 42


$4.2$ ft.

Work Step by Step

The area of the total quilt is $6\times6$ which is $36$ square feet. The inner square has an area that is half of the total quilt, $18$ square feet. The square root of $18$ is approximately $4.2$. The answer is $4.2$ square feet.
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