Answer
47 degrees
Work Step by Step
When using a protractor, we subtract the measure of the ray AB on the protractor and the measure fo the ray BC on the protractor. Thus, we find:
$$ = 105 ^{\circ} - 58 ^{\circ} \\ = 47^{\circ}$$
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 P - Preliminary Concepts - Chapter P Test - Page 30: 13
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