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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

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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