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Dominik [7]
3 years ago
9

Find the surface area and volume of a sphere having a radius of 4"

Mathematics
2 answers:
Marysya12 [62]3 years ago
8 0
The surface area of a sphere = 4 π r²
                                               = 4 π 4² 
                                               = 4 π 16
                                               = 64 π  in.²
The volume of a sphere = 4/3  π  r³
                                       = 4/3  π  (4)³
                                       = 4/3  π   64
                                       = 256/3  π  in.³ 
SVETLANKA909090 [29]3 years ago
3 0
Surface area = 4 x Pi x R²<span>
= 4 x Pi x 4</span>²<span>
= 201.06 inches

Volume = </span>(4/3) x Pi x R³
= (4/3) x Pi x 4³
= 268.08 cubic inches
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