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.
Work Step by Step
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 3 - Section 3.4 - Basic Constructions Justified - Exercises - Page 159: 33
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