Answer
T=108$\pi$$\approx$339.3 cm$^2$
Work Step by Step
r=.5l
r=6
h=r$\sqrt 3$
h=6$\sqrt 3$
T=L+B
T=72$\pi$+$\pi$6$^2$
T=108$\pi$$\approx$339.3 cm$^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 9 - Review Exercises - Page 447: 15b
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