# Chapter 8 - Section 8.3 - Regular Polygons and Area - Exercises - Page 366: 1a

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 $cm^{2}$

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