Shreeder4092 Shreeder4092
  • 18-04-2016
  • Mathematics
contestada

The formula for the volume of a come is V=1/3πr^2h. The radius, r, of the cone may be expressed as

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AL2006
AL2006 AL2006
  • 18-04-2016

                                   Volume = (1/3) (π) (r²) (h)

Multiply each side by 3:    3V = (π) (r²) (h)

Divide each side by π :    3V/π = (r²) (h)

Divide each side by h :      3V / πh = r²

Take the square root
of each side:                      r  =  √ (3V/πh)  .
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