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18 May, 21:46

A sphere has a radius of 25 ft. Find the surface area S of the sphere

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  1. 18 May, 22:02
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    Step-by-step explanation:

    The appropriate formula here is

    S = 4·π·r²

    and with r = 25 ft, we obtain:

    S = 4·π · (25 ft) ² = 4 · π · 625 ft²
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