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5 January, 12:52

The truck's tank is a stainless steel cylinder. Find the surface area of the tank. Round your answer to the nearest hundredth.

Radius=4 ft

Height=50 ft

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  1. 5 January, 13:06
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    A=pi r^2

    A = pi (4^2)

    A=pi (16)

    A=50.265 ... ft^2

    2A=100.5309 ... ft^2

    C=pi d

    C=8pi

    C=25.1327 ... ft^2

    25.1327 ... (50) = 1256.637 ...

    1256.637 ... + 100.5309 ... = 1357.167 ... so the surface area of the tan is about 1357.2 ft^2
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