Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 6 - Section 6.3 - Line and Segment Relationships in the Circle - Exercises - Page 297: 42

Answer

$100^{\circ}$

Work Step by Step

We make a proportion: $\frac{3}{5}=\frac{60}{x} \\ x = 100^{\circ}$
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