26-02-2016
Mathematics

Answered

The radius of a cylinder is 3.5 ft. The height is 14 ft. Find the surface area and volume of the cylinder to the nearest tenth of a foot. Show your work.

Verified Answer :

meerkat18 meerkat18

29-02-2016

Given:
radius : 3.5 ft
height : 14 ft

Surface Area of a cylinder = 2πrh + 2πr²
S.A. = 2 3.14 3.5ft 14ft + 2 3.14 (3.5ft)²
S.A. = 307.72ft² + 2 3.14 12.25ft²
S.A. = 307.72ft² + 76.93ft²
S.A. = 384.65 ft²

Volume of a cylinder = πr²h
V = 3.14 (3.5ft)² 14ft
V = 3.14 12.25ft² 14ft
V = 538.51 ft³

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