Elementary Geometry for College Students (5th Edition)

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

Chapter 1 - Section 1.3 - Early Definitions and Postulates - Exercises: 38d

Answer

There is only one plane determined by segments AB, BC, and CD.

Work Step by Step

Using the tissue box visual from part (a), segments AB, BC, and CD are all edges of the same side of the box. Therefore, these segments lie in the same plane.
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