Algebra: A Combined Approach (4th Edition)

by Martin-Gay, Elayn

Published by Pearson

ISBN 10: 0321726391

ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.4 - An Introduction to Problem Solving - Exercise Set - Page 138: 74

Answer

22.5°, 45°, 112.5°

Work Step by Step

Let measure of first angle = x Measure of second angle = 2x Measure of third angle = 5x x + 2x + 5x = 180 8x = 180 x = 22.5° 2x = 2(22.5) = 45° 5x = 5(22.5) = 112.5°

Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.