Answer
m$\angle$1=15$^{\circ}$
Work Step by Step
m$\angle$1=.5DC
m$\angle$1=.5(30)=15$^{\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 6.2 - More Angle Measures in the Circle - Exercises - Page 294: 2a
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