Answer
10.5
Work Step by Step
We know that AQ must represent 1/3 of the length of the altitude. Thus, it follows:
$AN = 3(3.5) = 10.5$
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 7 - Section 7.2 - Concurrence of Lines - Exercises - Page 337: 29c
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