Answer
The brace is about 14.4 feet long.
Work Step by Step
a$^{2}$+b$^{2}$=c$^{2}$
8$^{2}$+12$^{2}$=c$^{2}$
c$^{2}$=208
c=14.4
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 4 - Section 4.3 - The Rectangle, Square, and Rhombus - Exercises - Page 203: 38
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