Answer
The sides are about 4.24 cm long.
Work Step by Step
D$^2$=2x$^2$
2x$^2$=36
x$^2$=18
x=3$\sqrt 2$$\approx$4.24
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 5 - Review Exercises - Page 274: 35
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