Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 2 - Section 2.4 - The Angles of a Triangle - Exercises - Page 97: 23

Answer

360$^{\circ}$

Work Step by Step

The sum of the measures of the three exterior angles of a triangle is always 360$^{\circ}$.
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