Question 1040060
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Divide your shape into pieces of shapes for which you know the volume formula.  Calculate the volume of each piece and then add all of them together.


Can't help you with the other part because, aside from your description being very difficult to visualize, you don't specify the plane that is creating the cross-section.


Scan or otherwise obtain a graphic of your object and then post it to any of a number of image sharing services.  Then repost your question here with a link to your image.


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it
<img src="http://c0rk.blogs.com/gr0undzer0/darwin-fish.jpg">
*[tex \Large \ \
*[tex \LARGE \ \ \ \ \ \ \ \ \ \  

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