Answer
$\frac{3}{2}$
Work Step by Step
$\frac{2\pi r^2+2\pi r(2r)}{4\pi r^2}$=$\frac{6\pi r^2}{4\pi r^2}$=$\frac{6}{4}$=$\frac{3}{2}$
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 9 - Section 9.4 - Polyhedrons and Spheres - Exercises - Page 436: 25a
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