Geometry: Common Core (15th Edition)

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

Chapter 1 - Tools of Geometry - 1-1 Nets and Drawings for Visualizing Geometry - Practice and Problem-Solving Exercises - Page 10: 47


m$\angle$D= 60, m$\angle$E= 80, m$\angle$F= 40

Work Step by Step

Using a protractor, measure each of the angles. 1. Place the midpoint of the protractor on the corner of the angle. 2. Line up one side of the angle with the zero line of the protractor (where you see the number 0). 3. Read the degrees where the other side crosses the number scale.
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