Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Chapter 2 - Section 2.2 - An Introduction to Problem Solving - Exercise Set - Page 67: 49

Answer

The first angle is 32 degrees. The second angle is 64 degrees. The third angle is 84 degrees.

Work Step by Step

The angles sum to 180 degrees. 2x+x+3(x-12)=180 6x=192 x=32 The first angle is 32 degrees. The second angle is 64 degrees. The third angle is 84 degrees.
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