Answer
17 feet of cable
Work Step by Step
$a^2+b^2=c^2$
$8^2+15^2=c^2$
$64+225=c^2$
$289=c^2$
$\sqrt {289} = \sqrt {c^2}$
$17 = c$
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 - Exercise Set - Page 730: 59
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