Answer
$3\sqrt {3}$
Work Step by Step
We want to rewrite $27$ as the product of a perfect square and another number:
$\sqrt {9 • 3}$
Take the square root of $9$:
$3\sqrt {3}$
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: 13
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