Answer
120$^{\circ}$
Work Step by Step
I=$\frac{(n-2)180}{n}$
I=$\frac{(6-2)180}{6}$
I=$\frac{720}{6}$
I=120$^{\circ}$
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 2 - Test - Page 125: 9b
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