Answer
$49\text{ square feet}$
Work Step by Step
Recall:
The area $A$ of a square is given by the formula $A=s^2$ where $s$=side length of the square.
Thus, the area of the given square is:
$A=7^2 \text{ sq ft} = 49 \text{ sq ft}$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 1, Equations and Inequalities - Before - Page XXIV: 8
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