Mathematics
Grade9
Easy

Question

The formula to calculate surface area of a sphere is _______________

  1. 4 over 3 pi r cubed
  2. 4 pi r squared
  3. 1 third pi r cubed
  4. pi r squared

hintHint:

The Surface area of the sphere is given by  4 cross times straight pi cross times left parenthesis radius right parenthesis squared

The correct answer is: 4 pi r squared


    The formula to calculate surface area of a sphere is 4πr 2

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