Atacikb4att Atacikb4att
  • 27-12-2016
  • Mathematics
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what is the radius of a sphere with a surface area of 100πcm2?

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djsdoodle
djsdoodle djsdoodle
  • 27-12-2016
Surface area of a sphere = 4πr^2
4πr^2=100π
Divide both sides by 4π
r^2=100
r=10
The radius is 10 cm.
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