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16 May, 05:59

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

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  1. 16 May, 08:12
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    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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