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How to calculate that shape inside volume?

  1. Aug 28, 2014 #1
    Dear everybody here,

    please i need help at that attached image of round shape as shown,

    my questions is what is the formula which used for calculating the volume of that shape?, the cylinder of D1, and D2, , easily can be calculated by (Pi/4*D2*L), so how about in the middle?

    will appreciate your replies,

    Thanks in advance
     

    Attached Files:

  2. jcsd
  3. Aug 28, 2014 #2

    SteamKing

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  4. Aug 28, 2014 #3
    Great, thank you so much Steamking, sound you're real king :)
     
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