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Today, 13:06

What is the surface area of a right circular cylindrical oil can, if the radius of its base is 4 inches and its height is 11 inches?

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  1. Today, 14:16
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    S = 2πr² + 2πrh

    S = 2 (3.14) (4) ² + 2 (3.14) (4) (11)

    S = 2 (3.14) (16) + 2 (3.14) (44)

    S = 2 (50.24) + 2 (138.16)

    S = 100.48 + 276.32

    S = 375.8 in²
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