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 96: 6c

Answer

Underdetermined

Work Step by Step

The auxiliary line is underdetermined because there are many ways to satisfy the conditions the question is asking of us. They ask us to draw a line that contains the midpoint of $\overline{AB}$, which can be done in an multitude of ways. Therefore, the auxiliary line is underdetermined.
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