Intermediate Algebra (6th Edition)

Published by Pearson
ISBN 10: 0321785045
ISBN 13: 978-0-32178-504-6

Appendix A - A.3 - Exercise Set: 5

Answer

The volume of the cone is approximately 12.56 yards cubed. The surface area of the cone is approximately 35.20 yards squared.

Work Step by Step

$V=(3.14)(r^2)(\frac{h}{3})$ $V=3.14(4)(\frac{3}{3})$ $V=3.14(4)(1)$ $V=12.56$ The volume of the cone is approximately 12.56 yards cubed. $S=(3.14)(r)( r+\sqrt {h^2+r^2})$ $S=(3.14)(2)(2+\sqrt{9+4})$ $S=35.20$ The surface area of the cone is approximately 35.20 yards squared.
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