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From: ndiamond@watdaisy.UUCP (Norman Diamond)
Newsgroups: net.puzzle,net.jokes
Subject: Re: Manhole covers (interview question)
Message-ID: <7093@watdaisy.UUCP>
Date: Tue, 19-Mar-85 13:02:03 EST
Article-I.D.: watdaisy.7093
Posted: Tue Mar 19 13:02:03 1985
Date-Received: Wed, 20-Mar-85 03:37:09 EST
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Organization: U of Waterloo, Ontario
Lines: 17
Xref: watmath net.puzzle:623 net.jokes:11428

> Placed inside a square frame, one side of which is the length of the breadth
> of the triangle, a Rouloux shaped drill bit can be made to follow the
> edges of the square.
> 				Mark Leeper

Doesn't that produce a "square" with rounded corners?
Doesn't the drill bit have to be exactly triangular to produce an exact square?

-- 

   Norman Diamond

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