## Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole

# Chapter 1 - Section 1.4 - Angles and Their Relationships - Exercises: 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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