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17 February, 01:01

The medicine capsule shown consists of a cylinder with a hemisphere at each end. The total length of the capsule is 18 millimeters. The diameter is 7 millimeters. Which choice is the best approximation of the total surface area of the capsule? Use 3.14 to approximate pi.

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  1. 17 February, 04:49
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    Volume of a cylinder = πr²h = 3.14 * 3.5² * 11 = 423.115

    Volume of 2 hemisphere = (2/3) πr = (2/3) * 3.14 * 3.5 * 2 = 14.653333 ...

    Add them together to get

    437.7683333 ...
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