SOLUTION: find the volume of and total area of a sphere with a diameter of 8

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Question 303880: find the volume of and total area of a sphere with a diameter of 8
Answer by london maths tutor(243) About Me  (Show Source):
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Diameter = 8
Radius = 8/2 = 4
Surface area = 4*pi*r^2
= 4%2Api%2A4%5E2
= 201.1 unit^2
Volume = %284%2F3%29%2Api%2Ar%5E3
= %284%2F3%29%2Api%2A4%5E3
= 268.1 unit^3