bayleecase2002
bayleecase2002 bayleecase2002
  • 19-07-2018
  • Mathematics
contestada

To the nearest whole number, what is the surface area of a sphere with a volume of 140 cm³?

880 cm²

130 cm²

339 cm²

420 cm²

Respuesta :

sunflowerem
sunflowerem sunflowerem
  • 19-07-2018

The answer to this question is B. 130cm^2.

Using the volume formula for a sphere (V = (4/3)πr^3) you can plug in the values that we know to find the radius to be around 3.22117 cm. You can then use the area of a sphere formula (A = 4πr^2) to find the area. Hope this helps :)

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