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8 January, 09:31

A sphere has a diameter of 14.5 inches. What is the surface area of the sphere? 841π in² 420.5π in² 210.25π in² 105.125π in²

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  1. 8 January, 10:39
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    210.25 pi in^2.

    Step-by-step explanation:

    Diameter = 14.5 inches so the radius = 1/2 * 14.5 = 7.25 inches.

    So the surface area of the sphere = 4 pi r^2

    = 4 * pi * 7.25^2

    = 210.25 pi in^2.
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