Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter P - Preliminary Concepts - P.3 - Informal Geometry and Measurement - Exercises P.3 - Page 23: 13

Answer

All names are valid.

Work Step by Step

Like triangles and unlike angles, the order in which points are named for a rectangle does not matter. Thus, all of the names are valid ways to name a rectangle.
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