Algebra 2 (1st Edition)

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


$\approx37.46$ cm

Work Step by Step

Plugging in $r=7.5,L=900$ into the formula we get: $900=\pi(7.5)\sqrt{(7.5)^2+h^2}\\38.2\approx\sqrt{56.25+h^2}\\1459.24\approx56.25+h^2\\h^2\approx1402.99\\h\approx37.46$
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