What is the radius of a sphere with a surface area of 100 cm2?

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asked Jan 20, 2016 3.5k views

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NPS · Answer 1 · 2016-01-23T17:03:12+0000

The surface area of a sphere is 4r^2pi, so dividing 100 by 4pi gives a result of 25/pi. Taking the square root and rationalizing the denominator, we have 5sqrt(pi)/pi as the radius of the sphere.

What is the radius of a sphere with a surface area of 100 cm2?

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