Answer
x=34$^{\circ}$
Work Step by Step
$\angle$A+$\angle$B+$\angle$CDB=180
x+44+3x=180
4x=136
x=34
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 5 - Section 5.3 - Proving Lines Parallel - Exercises - Page 243: 30
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