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The perfection of the spherical shape has long attracted thinkers and scientists who, using...
There are coincidences, which we do not even suspect. April 12 - Cosmonautics Day!...
Is it possible to cut a triangle into such several parts so that one can put a square together?...
It is round, but nobody canceled the shape net of parts for its...
Want to make a fairly complex geometric solid - torus in 10...
In the second half of the 19th century, a new teaching method was born in US schools - the project...
This group of five geometric solids was given the name of the ancient Greek scientist Plato....