Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 7 - Section 7.2 - Concurrence of Lines - Exercises - Page 337: 17

Answer

The circumcenter is the point in red in the diagram.

Work Step by Step

Note, the circumcenter of an obtuse triangle is outside of the triangle. Also, recall that the circumcenter of a triangle is the point where all of the perpendicular bisectors intersect.
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