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14 December, 07:02

A sphere has a diameter of 10 ft. What is the surface area

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  1. 14 December, 08:01
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    314.15926 square feet

    Step-by-step explanation:

    Formula for sphere surface area = 4*π r^2

    radius = (1/2) * diameter = (1/2) * 10 feet = 5 feet

    Area = 4 * π * (5) ^2 = 100π = 314.15926 square feet
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