Answer
x=20
Work Step by Step
x$^2$=16$^2$+12$^2$
x$^2$=400
x=20
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 5 - Review Exercises - Page 263: 32c
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