Algebra: A Combined Approach (4th Edition)

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: 61

Answer

34.5°, 34.5°, 111°

Work Step by Step

Let the measure of one of the equal angles = x Measure of the third angle = x + 76.5 Since sum of angles in a triangle is 180° x + x + (x + 76.5) = 180 3x + 76.5 = 180 3x = 103.5 x = 34.5° Third angle = (34.5) + 76.5 = 111°
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