Answer
40.96 $cm^{2}$
Work Step by Step
Given apothem of length 3.2 cm
Perimeter = 25.6 cm
The area of a regular polygon whose apothem has length a and whose perimeter P is given by A = $\frac{1}{2}$ ap
A = $\frac{1}{2}$ *3.2 * 25.6
A = 40.96 $cm^{2}$