Answer
$24$
Work Step by Step
Pythagorean theorem:
$(7^2 + b^2 = 25^2)$
$(49 + b^2 = 625)$
$(b^2 = 576)$
$(b=\sqrt 576)$
$b=24$
Precalculus: Mathematics for Calculus, 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305071751
ISBN 13:
978-1-30507-175-9
Chapter 6 - Review - Exercises - Page 528: 25
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