Answer :

bekkarmahdi702

Answer:

V=( 1/6 )* π * d³

Step-by-step explanation:

We khow that d= 2r⇒ r=d/2

  • so r³= d³/8
  • substitute r with d³/8
  • V= (4/3)*π*(d³/8) = (4/3*8)*d³*π = (1/6 )* d³ *π

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