In my business we occasionally need to cut across large diameter plastic or steel pipe at a 45 degree angle. By wrapping a piece of thin carboard around a cut pipe I can make a template which, when layed flat, looks like a bell curve. Can you provide me with the general mathematical formula that defines this curve for any diameter pipe that we might have to cut? I have struggled with this problem, but as yet have been unable to get the answer.

I don't know if you are the right people to ask-anyway I would appreciate your help!

Thank you,
R.S. Weir
R.S. Weir General Contracting, Inc.

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