Answer
72$^{\circ}$
Work Step by Step
A circle has 360 degrees. The arc formed by two out of 5 equally spaced points on a circle will be one fifth of the total circle. Therefore the arc has a measure of 360/5=72$^{\circ}$.
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 6 - Section 6.1 - Circles and Related Segments and Angles - Exercises - Page 286: 26
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