jimmyrupp23p8xgs8 jimmyrupp23p8xgs8
  • 18-05-2018
  • Mathematics
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a sphere has a surface area of 9244 square feet what is the radius of the sphere use 3.14 for pi and round to the nearest hundredth

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carlosego
carlosego carlosego
  • 27-05-2018
By definition, the surface area of the sphere is given by:
 A = 4 * pi * r ^ 2
 Where,
 r: sphere radio
 Clearing r we have:
 r ^ 2 = A / (4 * pi)
 r = root (A / (4 * pi))
 Substituting values we have:
 r = root (9244 / (4 * 3.14))
 r = 27.12908515
 round to the hundredth:
 r = 27.13 feet
 Answer:
 
The radius of the sphere is:
 
r = 27.13 feet
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