4 ms·

I think the diagram found in wikipedia is the clearest. https://upload.wikimedia.org/wikipedia/commons/thumb/2/26/Nicomachus_theorem_3D.svg/2000px-Nicomachus_t

• aisofteng 10y ago
  The coloring helps very much, at least for me. The black and white image was very unclear to me. Perhaps some grayscale coloring was lost in the linked version?
• anthonyreinette 10y ago
  Beautiful !