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The article in “Science and Life” tells about an interesting way of making polyhedra....
What happens if a flat geometric shape, such as a rectangle, begins to rotate rapidly relative to...
In the second half of the 19th century, a new teaching method was born in US schools - the project...
It is round, but nobody canceled the shape net of parts for its...
In geometry, the section which deals with three-dimensional figures is called stereometry. The...
The Great Archimedes is ready to help us. And it's great! According to legends, Archimedes created...