Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 9 - Review - Page 686: 8


$\angle x=98^{\circ}$

Work Step by Step

We can see, that the sum of the two angles ($82^{\circ}$ and $x$) is a straight angle ($180^{\circ}$). This means that the two angles are supplementary. We can write the following equation: $82^{\circ}+\angle x=180^{\circ}$ $\angle x=180^{\circ}-82^{\circ}$ $\angle x=98^{\circ}$
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