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I remember calculating volume by revolving shapes around axis using integration in school. I have an arbitrary shape shape that has no easily attainable equation, if I know the area of that shape, can I calculate the volume?

This is an example. I know this area, and want the volume if revolved around the y-axis:

http://img149.imageshack.us/img149/1/shapepo1.th.png [Broken]

-Eric

This is an example. I know this area, and want the volume if revolved around the y-axis:

http://img149.imageshack.us/img149/1/shapepo1.th.png [Broken]

-Eric

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