Answer
4 ft
Work Step by Step
.5e(.5e$\sqrt 3$)=4$\sqrt 3$
(.5e)$^2$=4
.5e=2
e=4
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 - Section 9.4 - Polyhedrons and Spheres - Exercises - Page 440: 20b
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