#### Answer

82

#### Work Step by Step

By the definition of supplementary angles, the measure of an angle and its supplement sum to 180.
$m\angle1+98=180\longrightarrow$ subtract 98 from each side
$m\angle1=82$

Published by
Prentice Hall

ISBN 10:
0133281159

ISBN 13:
978-0-13328-115-6

82

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