Answer
$81m^{2}$
Work Step by Step
The formula for the area of a square is $x^{2}$ (where x is the side of the square).
Area = $9\times9$
=$ 81m^{2}$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 1 - Section 1.2 - Place Value, Names for Numbers, and Reading Tables - Vocabulary, Readiness & Video Check - Page 13: 9
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