Answer
120 ft$^2$
Work Step by Step
h$^2$=10$^2$-6$^2$
h$^2$=100-36=64
h=8
A=bh
A=15(8)
A=120 ft$^2$
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 8 - Test - Page 398: 5
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