Re: Divide a shape into four equal parts

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Sujet : Re: Divide a shape into four equal parts
De : richard (at) *nospam* cogsci.ed.ac.uk (Richard Tobin)
Groupes : rec.puzzles
Date : 06. Jul 2025, 12:48:24
Autres entêtes
Organisation : Language Technology Group, University of Edinburgh
Message-ID : <104dnq8$1200f$1@artemis.inf.ed.ac.uk>
References : 1 2 3
User-Agent : trn 4.0-test76 (Apr 2, 2001)
In article <104d918$21g4p$1@dont-email.me>,
David Entwistle  <qnivq.ragjvfgyr@ogvagrearg.pbz> wrote:

I failed to find a solution after an hour or so of looking (shuffling bits
of paper), so was fascinated to see a solution.
>
Are we sure those shapes are identical? Two look the same, one looks to be
a reflection of the first two, and the third looks to be a different
shape. They all have the same area, but I don't think you would describe
them as the same shape.

You are correct.  One of the parts is a different shape, so it is not
a solution.

If the puzzle is worded in terms of cutting a sheet of paper into four
pieces, all the same size and shape, then I think we can accept
reflections.

-- Richard

Date Sujet#  Auteur
1 Jul 25 * Divide a shape into four equal parts13Richard Tobin
2 Jul 25 +* Re: Divide a shape into four equal parts6IlanMayer
4 Jul 25 i+* Re: Divide a shape into four equal parts2Carl G.
4 Jul 25 ii`- Re: Divide a shape into four equal parts1IlanMayer
6 Jul08:36 i`* Re: Divide a shape into four equal parts3David Entwistle
6 Jul12:48 i +- Re: Divide a shape into four equal parts1Richard Tobin
7 Jul03:42 i `- Re: Divide a shape into four equal parts1Mike Terry
5 Jul08:47 +- Re: Divide a shape into four equal parts1David Entwistle
7 Jul13:39 `* Re: Divide a shape into four equal parts5David Entwistle
8 Jul02:45  `* Re: Divide a shape into four equal parts4IlanMayer
8 Jul04:34   +- Re: Divide a shape into four equal parts1Carl G.
8 Jul08:15   +- Re: Divide a shape into four equal parts1David Entwistle
8 Jul13:20   `- Re: Divide a shape into four equal parts1Richard Tobin

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