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A bead is formed by drilling a cylindrical hole of 2mm diameter through a sphere with an 8mm diameter. Estimate the volume of the bead to the nearest whole?

Respuesta :

akposevictor

Volume of the bead = Volume of the sphere - volume of the cylindrical hole = 242.95 mm³.

What is the Volume of a Sphere and a Cylinder?

  • Volume of a sphere = 4/3πr³
  • Volume of a cylinder = πr²h

Volume of the bead = Volume of the sphere - volume of the cylindrical hole

= 4/3π(4³) - π(1²)(8)

= 268.08 - 25.13

Volume of the bead = 242.95 mm³

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