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 2 - Section 2.4 - The Angles of a Triangle - Exercises - Page 105: 6b



Work Step by Step

This auxiliary line is described as overdetermined because it is impossible for us to satisfy all of the conditions of the auxiliary line. They are asking us to draw a line that contains all three of the points A,B,and C of $\triangle$$ABC$ which is impossible. Therefore, the auxiliary line is overdetermined.
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