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 165: 13c

Answer

This triangle cannot be drawn.

Work Step by Step

In a triangle the sum of two sides must be greater than the length of the third side. Here, $8+9\lt 18$ therefore, the drawing of this triangle is not possible.
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