Answer
108$^{\circ}$
Work Step by Step
I=$\frac{180(n-2)}{n}$
I=$\frac{180(5-2)}{5}$
I=36(3)
I=108$^{\circ}$
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 385: 18b
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