Mathematics, 04.09.2020 03:01 katiemh8302

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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The formula for the surface area of a hemisphere is = 2 2 , where r is the length of the radius. Fin...

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