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A gelatin mold is in the shape of a hemisphere (half-sphere). If its diameter is 4 inches, find the exact volume of gelatin that 10 molds will hold.

Sagot :

Samuelonum1idn

Two hemispheres will be equal to a spheres, hence the volume of 10 hemispheres is 266.581 cubic inches

Volume of hemispheres

Given Data

  • Shape is that of hemisphere
  • No of hemisphere = 10
  • 2 hemispheres = 1 sphere
  • 10 hemispheres = 5 spheres
  • radius = 4inches

Let us find the volume of sphere

Volume = 4/3 *πr^3

Volume = 4/3*3.124* 4^3

Volume = 4/3*3.124*64

Volume =266.581 cubic inches

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