#### Answer

$424feet$

#### Work Step by Step

We cut the square into 2 congruent triangles. So we can find that diagonal length of the square/hypotenuse of the triangle using the Pythagorean Theorem:
$a^{2}$ +$ b^{2}$ = $c^{2}$

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

$424feet$

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