kenz6yItsAliyah
kenz6yItsAliyah kenz6yItsAliyah
  • 10-06-2016
  • Mathematics
contestada

What is the volume and surface area of a sphere if the diameter is 7.5 feet?

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taskmasters
taskmasters taskmasters
  • 10-06-2016
The volume of a sphere is expressed as the four thirds of the product of pi and the cube of its radius. The surface area, on the other hand, is expressed as four times the product of pi and the square of its radius. Radius is half the diameter. Calculations are as follows:

V = 4/3 X (πr^3) = 4/3 X (π x 3.75^3) =220.89 ft^3
SA = 4
πr^2 = 4 x π x 3.75^2 = 176.71 ft^2
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