Answer
P=60 in
A=216 in$^2$
Work Step by Step
s$^2$=9$^2$+12$^2$
s$^2$=225
s=15 in
P=4s
P=4(15)
P=60 in
A=.5(18)(24)
A=216 in$^2$
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 - Review Exercises - Page 385: 8
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