Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 9 - Section 9.3 - Cylinders and Cones - Exercises - Page 418: 48



Work Step by Step

We first find the surface area if there was no slice, and then we multiply by the portion of the area that is actually there. Recall, there are 2.52 inches in 6.4 centimeters. $ A = (\frac{240}{360}\pi (2.52^2) = 13.3$ (Note, 2.52 is a long decimal that must be stored in the calculator to get the right answer.)
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