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Mathematics 16 Online
OpenStudy (surryyy):

Suppose a gas tank is in the shape of a cylinder. The tank is 10 feet long and 5 feet in diameter. Find the amount of metal used to construct the tank. Answer 128.5 ft2 257 ft2 392.6 ft2 196.3 ft2

OpenStudy (perl):

we want to find surface area of cylinder

OpenStudy (perl):

Surface area of cylinder = Lateral Area + top and bottom caps

OpenStudy (surryyy):

my answer was 392.6 ft2 am i wrong?

OpenStudy (perl):

Surface area = 2*Pi * R * H + 2* Pi * R^2

OpenStudy (perl):

use that equation

OpenStudy (perl):

remember radius = half diameter

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