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May 23rd, 2016, 09:06 AM   #1
Joined: Feb 2016
From: London

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Equation for L shaped truncated pyramid/frustum


Does anyone know the equation relating the volume of a L shaped truncated pyramid to its height and then dimensions.

I've thought about how to derive it from the equation for two rectangular based frustums but cant quite figure out what to do where the two intersect. I've done a sketch to try to illustrate my problem.

For a bit fo context what I am doing is creating a tool that I can plug a desrired volume and then a few of the dimensions and it will return the rest of the dimensions. I have done this for a rectangular based frustrum a circular base and a square.

Many thanks,

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wvoke9 is offline  
May 23rd, 2016, 12:00 PM   #2
Joined: Jul 2015
From: Austria

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Just use the Simpson's Formula.

Last edited by avniu; May 23rd, 2016 at 12:05 PM.
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equation, pyramid or frustum, shaped, truncated

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