Answer
16.125
Work Step by Step
$2^2 + 16^2 = x^2$
$4 + 256 = x^2$
$x^2 = 260$
$x = 16.125$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 6 - Section 6.4 - Square Roots and the Pythagorean Theorem - Exercise Set - Page 445: 42
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