$\definecolor{red}{RGB}{255,0,0}$$\definecolor{black}{RGB}{0,0,0}$
  1. R
  2. R
  3. R
    • R2  =   A / (4·π)
    • R3  =   3·V / (4·π)
  1. A
  2. A
  3. A
    • A  =   4·π·R2
  1. V
  2. V
  3. V
    • V  =   4/3·π·R3
Sphere (Ball): Surface area, volume and radius

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