Answer
63.64 inches
Work Step by Step
$45^2+45^2=x^2$
$2025+2025=x^2$
$4050=x^2$
$\sqrt {4050} =\sqrt{x^2}$
$\sqrt{45*45*2}=x$
$45*\sqrt2=x$
$45*1.4142=x$
$63.6396=x$
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: 7
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