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: 2

Answer

$145^{\circ};35^{\circ}$

Work Step by Step

1. Supplementary angles have a sum of 180 degrees; make the equation and solve for x (7x+19)+(2x-1)=180 9x+18=180 9x=162 x=18 2. Then plug x into angles : 7(18)+19=145 2(18)-1=35
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