Answer
Acute angle
Work Step by Step
Based on appearance, the angle is an acute angle since its measure is less than 90$^{\circ}$ and greater than 0$^{\circ}$.
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 1 - Review Exercises - Page 74: 19a
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