The radius R of a sphere is 8.9m . Calculate the sphere's surface area A .

Mathematics
Tutor: None Selected Time limit: 1 Day

Mar 20th, 2015

Surface area of sphere is given by = 4 pi r^2 

Here, pi = 3.14

r = 8.9/2 = 4.45

Hence, total surface area = 248.72 m^2

Mar 20th, 2015

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