Elementary Geometry for College Students (5th Edition)

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

Chapter 3 - Section 3.5 - Inequalities in a Triangle - Exercises - Page 165: 8

Answer

False

Work Step by Step

m$\angle$D=180-50-60=70$^{\circ}$, so m$\angle$EDG is 35$^{\circ}$ and m$\angle$DGE=180-60-35=85$^{\circ}$. Since segment DE is across from the largest angle in the triangle it must be the largest side, therefore segment DG cannot be larger than it.
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