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 (6th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
9781285195698
ISBN 13:
978-1-28519-569-8
Chapter 8 - Test - Page 387: 5
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