Thinking Mathematically (6th Edition)

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

Chapter 10 - Geometry - Chapter Summary, Review, and Test - Review Exercises - Page 681: 32



Work Step by Step

RECALL: The total measurement of the angles of a polygon with $n$ sides is given by the formula: $180^o(n-2)$ Thus, the sum of the angles inside a 12-sided polygon is: $=180^o(12-2) \\=180^o(10) \\=1800^o$
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