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 166: 25


In order to do this problem, we simply have to add up the two angles that compose each larger angle. Since angle ABC and CBD are larger than angle DBE and EDF, respectively, this means that ABC plus CBD is greater than DBE plus EDF. Thus, ABD is greater than DBF.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.