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Book: Notes

I write notes to myself in gray!


Right triangles are more basic than circles. Compare with circle folding: the fold in the circle is the hypotenuse of a right triangle. Compare the geometric mean (altitude) with the arithmetic mean (radius) of the two sides X+Y. They are the same when you have a square. It reminds me of the difference between the vertex weights and the edge weights in Pascal's triangle. 1844

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Puslapis paskutinį kartą pakeistas 2016 birželio 19 d., 18:54