Asked about: Volume of Spheres

how do you calculate the surface of sphere 4 pir2?


Alister Doyle, I work at Noodle.

User avatar for Alister Doyle

Hi there, the formula for calculating the surface of a sphere is:

S = 4π multiplied by r-squared, so you need to know what the radius is to complete the problem.

Here is a great video on finding the surface area of a sphere that describes it in more detail. I hope this helps.

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