[Etoys] Gougu theorem, chinese did it as well...
hilaire at ofset.org
Sun Mar 2 07:14:54 EST 2008
Enclosed a snaphot of the Gougu puzzle to demonstrate the Pythagorean theorem.
The construction is done with DrGeo, and the tiles of the puzzle are
simulated with the translation transformation of polygons.
A project file can be downloaded from our swiki at
However, your image need to be installed with DrGeo, in case of doubt
you can just download a Squeakland image preloaded with DrGeo (See
I have also recorded two videos to show the dynamic of the project:
I am pretty sure it can be extended/modified for projects with students.
Smalltalkers do: [:it | All with: Class, (And love: it)]
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