# Chapter 6 Rational Exponents and Radical Functions - Using Alternative Methods - Practice - Page 461: 5

$\approx96.82$ ft

#### Work Step by Step

Plugging in $d=100$ into the formula we get: $100=\sqrt{625+h^2}\\10000=625+h^2\\9375=h^2\\h=\sqrt{9375}\approx96.82$

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