Prealgebra (7th Edition)

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: 39

Answer

12

Work Step by Step

$5^{2} + x^2 = 13^{2}$ $25 + x^2 = 169$ $x^2 = 144$ $x = 12$
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