Answer
12
Work Step by Step
We know that OQ is given by: $4 + 9 = 13$.
We now consider the difference in height to find the second side of the triangle:
$=9-4=5$
Thus, we obtain:
$AB = \sqrt{13^2 - 5^2} = 12$
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 6 - Section 6.3 - Line and Segment Relationships in the Circle - Exercises - Page 308: 37
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