Unxande osagolide
Unxande uthathwa njengegolide uma ingxenye yezinhlangothi ezimbili (ububanzi nobude) ilingana nenombolo esagolide. Kungaphambili lweParthenon thola ipharalelogramu engunxande osagolide. Lokhu ukusetshenziswa kwayo okudume kakhulu ekwakhiweni kwezakhiwo. Mayelana nophawu, asitholi lutho olukhethekile kule quadrilateral evamile.
shiya impendulo