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 - Page 29: 23

Answer

Line $\overline{AB}$ is where planes M and N intersect.

Work Step by Step

Two planes can intersect at exactly one line. If the points within a line fall on both planes then this line is where the planes intersect.
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