Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 1 - Tools of Geometry - 1-4 Measuring Angles - Practice and Problem-Solving Exercises - Page 31: 9

Answer

70 degrees; Acute.

Work Step by Step

Using the picture provided we can determine the measure of the angle by getting the difference between the two rays of the angle, which is equal to 70 degrees. Since the angle measures less than 90 degrees, it is classified as acute.
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