Answer
$145^\circ$, $35^\circ$
Work Step by Step
The sum of the two angles is $180^\circ$, we have $7x+19+2x-1=180$ thus $9x=162$ and $x=18$ and the two angles are $7x+19=7(18)+19=145^\circ$ and $2x-1=2(18)-1=35^\circ$
Precalculus (6th Edition)
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
013421742X
ISBN 13:
978-0-13421-742-0
Chapter 5 - Trigonometric Functions - Test - Page 562: 2
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