Answer
$m\angle AOC=135^{\circ}$
Work Step by Step
The measure of a central angle is equal to the measure of its intercepted arc. Since the measure of minor arc $AC=135^{\circ}$, then the $m\angle AOC=135^{\circ}$.
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 285: 9d
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