Answer
30$^\circ$, 60$^\circ$, 90$^\circ$
Work Step by Step
The sum of the measures of the angles of any triangle is equal to 180$^\circ$.
x+2x+3x=180
3x+3x=180
6x=180
x=$\frac{180}{6}$
x=30$^\circ$
2x=2(30)=60$^\circ$
3x=3(30)=90$^\circ$
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 2 - Review Exercises - Page 205: 68
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