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8 October, 17:59

A cylinder has a height of 11 inches and radius of 9 inches. Find the surface area of the cylinder in terms of

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  1. 8 October, 21:14
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    S = 2*π*r * (r + h) height = 11 in (h)

    radius = 9 in (r)

    S = 2πr² + 2πrh π ≈ 3.14

    S = 2 * π * 9² + 2 * π * 9 * 11

    S = 162π + 198π S ≈ 360 * 3.14

    S = 360π in² S ≈ 1130.4 in²
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