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Thursday, January 20, 2011

Matita righello e compasso: sempre !!!

... Ruler, pencil, compass (... always with You)
otherwise ... draw with your fingers !!!















http://it.wikipedia.org/wiki/Costruzione_con_riga_e_compasso
















http://youtu.be/PNCBT8Hlims
[...]
Triangolo equilatero inscritto in una circonferza
http://it.wikipedia.org/wiki/File:Equilateral_Triangle_Inscribed_in_a_Circle.gif

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