Answer
2$\sqrt 2$
Work Step by Step
$\sqrt 8$=$\sqrt{ (2*4)}$
The factors of 8 are 4 and 2; 4 is a perfect square, so:
2$\sqrt 2$
Geometry: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281159
ISBN 13:
978-0-13328-115-6
Chapter 10 - Area - Get Ready! - Page 611: 12
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