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.
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 1 - Section 1.3 - Early Definitions and Postulates - Exercises - Page 30: 38d
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