Descartes' theorem on total angular defect
360°- nx = k (n ハ、n-polyhedron 之内角、x > 3 )
kl = 720°
l = 4,6,8,12,20
T.theodor 2022.6.18
Descartes' theorem on total angular defect
360°- nx = k (n ハ、n-polyhedron 之内角、x > 3 )
kl = 720°
l = 4,6,8,12,20
T.theodor 2022.6.18