Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 10 - Geometry - 10.1 Points, Lines, Planes, and Angles - Exercise Set 10.1 - Page 617: 52

Answer

The union of CB and CD is\[\overline{\text{BD}}\].

Work Step by Step

The union of two figures refers to the set of points that belong to either of any figure or to both the figure. The point D in DB lies in the point CD and B of DB lies in CB. Therefore, the union of the point AC and BD will be BD.
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