Answer
22.5 feet
Work Step by Step
$30-2-2=26$
$13^2+b^2=26^2$
$169+b^2=676$
$b^2=676-169$
$b^2=507$
$\sqrt {b^2}=\sqrt {507}$
$b= 22.51$
$b=22.5$
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: 62
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