δεκάγωνον

geom. decágono ἡ τοῦ δεκαγώνου (πλευρά) Euc.13.9, ἐμβαδὸν τοῦ δεκαγώνου Hero Geom.21.21, 22.12, cf. Euc.13.10, 16, 18, Hypsicl.Disp.1, 2, 3, 9, Hero Metr.1.23, Stereom.2.63, Ptol.Alm.1.10.