Answer
$130^{\circ}$;$130^{\circ}$
Work Step by Step
1. Vertical angles are congruent, construct the equation and solve for x:
4z-30=5x-70
4x+40=5X
x=40
2. Plug x value into one of the angles:
4(40)-30=130 degrees
Trigonometry (11th Edition) Clone
by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie
Published by
Pearson
ISBN 10:
978-0-13-421743-7
ISBN 13:
978-0-13421-743-7
Chapter 1 - Test - Page 45: 4
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