Answer
The angles are 20 degrees and 70 degrees.
Work Step by Step
The two angles add to 90 degrees.
x+(2x+30)=90
3x=60
x=20
The angles are 20 degrees and 70 degrees.
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
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 66: 48
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