Answer
$\approx37.46$ cm
Work Step by Step
Plugging in $r=7.5,L=900$ into the formula we get: $900=\pi(7.5)\sqrt{(7.5)^2+h^2}\\38.2\approx\sqrt{56.25+h^2}\\1459.24\approx56.25+h^2\\h^2\approx1402.99\\h\approx37.46$
Algebra 2 (1st Edition)
by Larson, Ron; Boswell, Laurie; Kanold, Timothy D.; Stiff, Lee
Published by
McDougal Littell
ISBN 10:
0618595414
ISBN 13:
978-0-61859-541-9
Chapter 6 Rational Exponents and Radical Functions - Using Alternative Methods - Practice - Page 461: 7
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