Trigonometry (11th Edition) Clone

Published by Pearson
ISBN 10: 978-0-13-421743-7
ISBN 13: 978-0-13421-743-7

Chapter 1 - Test - Page 45: 4



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
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