Answer
A=25$\sqrt 3$-$\frac{25}{3}$
Work Step by Step
height of triangle=.5s$\sqrt 3$
h=5$\sqrt 3$
radius of circle= apothem=$\frac{1}{3}$h
r=$\frac{5\sqrt 3}{3}$
A=.5(10)(5$\sqrt 3$)-$\pi$($\frac{5\sqrt 3}{3}$)$^2$
A=25$\sqrt 3$-$\frac{25}{3}$
Elementary Geometry for College Students (6th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
9781285195698
ISBN 13:
978-1-28519-569-8
Chapter 8 - Review Exercises - Page 386: 31
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