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 1.4 - Angles and Their Relationships - Exercises - Page 37: 13

Answer

$\angle$ FAC and $\angle$ CAD form a linear pair.

Work Step by Step

Since ray AF and ray AD are opposite angles, they form a line. And since $\angle$ FAC and $\angle$ CAD are adjacent angles they form a linear pair.

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