Re: Divide a shape into four equal parts

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Sujet : Re: Divide a shape into four equal parts
De : carlgnews (at) *nospam* microprizes.com (Carl G.)
Groupes : rec.puzzles
Date : 04. Jul 2025, 16:47:04
Autres entêtes
Organisation : A noiseless patient Spider
Message-ID : <1048t1q$t0ni$1@dont-email.me>
References : 1 2
User-Agent : Mozilla Thunderbird
On 7/1/2025 7:36 PM, IlanMayer wrote:
On Tue, 1 Jul 2025 19:01:29 +0000, Richard Tobin wrote:
 
A well-known puzzle is to divide an L-shape - a square with one square
quarter removed - into four identical pieces.
>
But what about a square where the quarter removed is an isosceles
right-angled triangle with one of the sides as its hypotenuse?
>
This problem was set in Peter Parley's Annual, 1877, but I fear that
they are no longer available to provide the answer:
>
https://i.ebayimg.com/images/g/BZUAAOSwPqVlS8OY/s-l1600.jpg
or
https://web.archive.org/web/20250701185837/https://i.ebayimg.com/images/g/BZUAAOSwPqVlS8OY/s-l1600.jpg
>
-- Richard
 SPOILER <snipped>
Ilan,
I had considered writing a computer program to solve this puzzle and similar puzzles. Did you write a program to solve this puzzle?  If so, what algorithm did it use?
--
Carl G.
--
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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 Jul 25 +- 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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