Answer
l$\approx$8.6 in
Work Step by Step
l$^2$=5$^2$+7$^2$
l$^2$=74
l$\approx$8.6
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 9 - Review Exercises - Page 431: 9
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