jaretktm4507 jaretktm4507

04-09-2020
Mathematics

contestada

The formula for the surface area of a hemisphere is = 2 2 , where r is the length of the radius. Find the surface area of a sphere with a radius of 21 feet. Use 22 7 .

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Navinash Navinash

04-09-2020

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I might be wrong.

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