Answer
956.55 cm$^2$
Work Step by Step
apothem=.5s$\sqrt 3$
a=4$\sqrt 3$
T=L+2B
T=624+2(.5)(4$\sqrt 3$)(48)
T=624+192$\sqrt 3$
T$\approx$956.55
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 9 - Review Exercises - Page 446: 6b
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