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    Dharmy's Avatar
    Dharmy Posts: 1, Reputation: 1
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    #1

    Jun 10, 2007, 12:09 PM
    Volume of an octaganal prism
    I am really stuck. There is this question and it says find the volume. It has an octaganal prism, with a pyramid on top!!!???? What am I to do?!?!? Please help me people!!:confused:
    colbtech's Avatar
    colbtech Posts: 748, Reputation: 66
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    #2

    Jun 11, 2007, 05:44 AM
    Octagonal prism: Calculate the area of the 8 triangles and multiply by the height. For the pyramid I presume you use the usual formula V = 1/3 Base x height.
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