Answer
Degrees of a Circle is $72^\circ$.
Work Step by Step
The total degrees in a circle is $360^\circ$.
Find 20% of $360^\circ$.
$d=0.20\times360=72$
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 10 - Statistics - Test - Page 754: 9
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