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 3 - Section 3.4 - Basic Constructions Justified - Exercises - Page 166: 33

Answer

A dodecagon has 12 angles that add up to 1800 degrees. Therefore, each angle is 150 degrees, for the fact that the dodecagon is regular means that all angles are equal.

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