Answer
Protractor
Work Step by Step
In order to properly measure the first angle, it is necessary to use a protractor. You must first draw a straight line, and then you use the protractor to draw the second line with the correct angle.
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 3 - Section 3.4 - Basic Constructions Justified - Exercises - Page 165: 19
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