Answer
$10\times \sqrt2$
Work Step by Step
$\sqrt{200}=\sqrt{100\times 2}=\sqrt{100} \times \sqrt2 = 10\times \sqrt2$
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
Appendix A - A.4 - Quadratic Equations - Exercises - Page 560: 6d
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