Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 3 - Section 3.5 - Inequalities in a Triangle - Exercises - Page 172: 1



Work Step by Step

A quick trick I learned is that the longest side is the angle that does include both letters. For example, $\angle$A does not include letter B or C, therefore $\overline{BC}$ is the longest side. 45$^{\circ}$, 65$^{\circ}$, 70$^{\circ}$ $\angle$B $\angle$C $\angle$A Side length $\overline{BC}$ is the longest side because the largest angle does not include the letters B or C in the triangle.
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