Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 5 - Section 5.3 - Proving Lines Parallel - Exercises - Page 243: 29

Answer

x=27

Work Step by Step

$\angle$AFB+$\angle$B+$\angle$C=180 4x+45+x=180 5x=135 x=27
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