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Article #2511Re: Manhole covers - why circular?
From: an1060
Date: Tue, 05 Jan 1993 22:48
Date: Tue, 05 Jan 1993 22:48
16 lines
1056 bytes
1056 bytes
X-Anon-To: rec.puzzles Anything with a CONSTANT HEIGHT will do. Circles are the most popular examples, also "triangles" with circular edges (the Mazda Rotary engine uses such a design).... Can anyone think of other shapes with a constant height?? (i.e. shapes that when rolled on a surface along their perimeter yield a constant height from the surface)... Abe mantell@ama.sunysb.edu ------------------------------------------------------------------------- To find out more about the anon service, send mail to help@anon.penet.fi. Due to the double-blind system, any replies to this message will be anonymized, and an anonymous id will be allocated automatically. You have been warned.
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Newsgroups: rec.puzzles Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!fuug!anon From: an1060@anon.penet.fi Subject: Re: Manhole covers - why circular? Message-ID: <1993Jan5.230841.13992@fuug.fi> Sender: anon@fuug.fi (The Anon Administrator) Organization: Anonymous contact service X-Anonymously-To: rec.puzzles Date: Tue, 5 Jan 1993 22:48:13 GMT Lines: 16