Answer
$b=3\sqrt3$ cm
Work Step by Step
$3^2+b^2=6^2$
$9+b^2=36$
$b^2=27$
$\sqrt {b^2} =\sqrt {27}$
$b=\sqrt {27}$
$b=\sqrt {3*3*3}$
$b=3\sqrt3$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 10 - Section 10.6 - Radical Equations and Problem Solving - Practice - Page 726: 6
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