Elementary Geometry for College Students (7th Edition) Clone

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

Chapter 2 - Section 2.5 - Convex Polygons - Exercises - Page 115: 22

Answer

$I = 108^{\circ}$

Work Step by Step

We can find the measure of the obtuse angles in the regular polygon with 5 sides: $I = \frac{(n-2)~180^{\circ}}{n}$ $I = \frac{(5-2)~180^{\circ}}{5}$ $I = \frac{(3)~180^{\circ}}{5}$ $I = 108^{\circ}$
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