Answer
12.25 $cm^{2}$
Work Step by Step
Given sides of length 3.5 cm each
As we know the area of the square of side s is A = $s^{2}$
put s = 3.5cm
A = $(3.5)^{2}$
= 12.25 $cm^{2}$
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 8 - Section 8.3 - Regular Polygons and Area - Exercises - Page 378: 1a
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