Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 10 - Geometry - 10.3 Polygons, Perimeter, and Tessellations - Exercise Set 10.3: 25

Answer

540°

Work Step by Step

Sum of measure of angles in a n-sided polygon can be found using the following formula: (n-2) $\times$ 180° Thus sum of measure of a 5-sided polygon = (5-2) $\times$ 180° = 540°
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