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'''Solution'''
When using n points equally spaced over a circle we get a [https://en.wikipedia.org/wiki/N-flake Sierpiński n-gon]. However, the proportion (1/2 for a triangle) is different according to the following formula:
[[File:Fōrmulæ - Chaos game 01.png]]
[[File:Fōrmulæ - Chaos game 02.png]]
[[File:Fōrmulæ - Chaos game 03.png]]
The program is:
[[File:Fōrmulæ - Chaos game 04.png]]
'''Test casescase. Sierpiński triangle'''
[[File:Fōrmulæ - Chaos game 05.png]]
[[File:Fōrmulæ - Chaos game 06.png]]
Notice that the Sierpiński's 4-gon is NOT the [https://en.wikipedia.org/wiki/Sierpi%C5%84ski_carpet Sierpiński carpet], it is a solid square
=={{header|FutureBasic}}==
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