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Sagot :

Answer:

3053.63 un³

Step-by-step explanation:

Hello!

The diameter is 18, so the radius is half of the diameter, or 9.

Using the volume of a sphere formula: [tex]\frac43\pi r^3[/tex]

Solve:

  • [tex]\frac43\pi r^3[/tex]
  • [tex]\frac43\pi *9^3[/tex]
  • [tex]\frac43*729\pi[/tex]
  • [tex]972\pi[/tex]
  • 3,053.6280592893 ≈ 3,053.63

The volume is 3053.63 un³.