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16 September, 21:36

A sphere has a diameter of 11 inches. What is it's surface area? Use 3.14 to approximate pie

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  1. 16 September, 23:50
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    Sphere Surface Area = π • d²

    Sphere Surface Area = 3.14 * 11*11

    Sphere Surface Area = 3.14 * 121

    Sphere Surface Area = 379.94 square inches
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