Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 9 - Review Exercises - Page 441: 8


About 7.9 in

Work Step by Step

apothem=.5s$\sqrt 3$ a=.5(6$\sqrt 3$)($\sqrt 3$) a=9 h$^2$=l$^2$-a$^2$ h$^2$=144-81 h$^2$=63 h=$\sqrt 63$ h$\approx$7.9
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