Answer
A=36
Work Step by Step
BC=.5AB
BC=9
A=.5(BC)(AD)
A=.5(9)(8)
A=36
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 8 - Review Exercises - Page 398: 15
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