Answer
98.4
Work Step by Step
We assume the length of the first diagonal to be about:
$2(8.2)=16.4$
The apothem is 12, and this is the other diagonal. Thus, we approximate area:
$A = \frac{d_1d_2}{2} = \frac{16.4 \times 12}{2} \approx 98.4$
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 8 - Section 8.3 - Regular Polygons and Area - Exercises - Page 377: 37
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