Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 8 - Review Exercises - Page 385: 18c

Answer

72$^{\circ}$

Work Step by Step

E=$\frac{360}{n}$ E=$\frac{360}{5}$ E=72$^{\circ}$
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