Answer
$24\sqrt {2}$
Work Step by Step
We want to rewrite $72$ as the product of a perfect square and another number:
$4\sqrt {36 • 2}$
Take the square root of $36$:
$4 • 6 \sqrt {2}$
Multiply to simplify:
$24\sqrt {2}$
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: 15
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