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: 5a

Answer

Underdetermined

Work Step by Step

This answer is Underdetermined, because the question is asking us to draw a line through the vertex of C in $\triangle$ABC and there are many different ways to satisfy what has been described, which means the auxiliary is Underdetermined.
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