SOLUTION: The great circle has an area of 289pie square feet.
Calculate the surface area and volume.
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Question 892608: The great circle has an area of 289pie square feet.
Calculate the surface area and volume.
Answer by jim_thompson5910(35256) (Show Source): You can put this solution on YOUR website!
A = pi*r^2
289pi = pi*r^2
289 = r^2
r^2 = 289
r = sqrt(289)
r = 17
The radius of this sphere is 17 feet.
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Surface Area:
SA = 4pi*r^2
SA = 4pi*17^2
SA = 1156pi
The exact surface area of this sphere is 1156pi
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Volume:
V = (4/3)pi*r^3
V = (4/3)pi*17^3
V = (19652/3)pi
The exact volume of this sphere is (19652/3)pi
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