^^Diagonale del quadrato.

Quanto e' lunga la diagonale del quadrato ?

wp/Square_root_of_2 | wp/Racine_carrée_de_deux

Caso particolare: tri rettangolo isoscele.

wp/YBC_7289 Yale Babylonian Collection's Tablet YBC 7289 obverse

This tablet shows an approximation of the square root of 2 (1 24 51 10 sexagesimal) using the Pythagorean theorem for an isosceles triangle. Obv drawing of square with diagonal and inscribed numbers; rev drawing of rectangle with inscribed diagonal but numbers badly preserved and unable to be restored.

Links

1. Triangolo rettangolo 45-45-90.
2. Diagonali del cubo.
3. Formato fogli standard A4 A3 A5; proporzioni approssimate.