4-Johnson solid | 5-Zalgaller polyhedron

vertices | 12 edges | 20 faces | 10 (4 triangles, 5 quadrilaterals, 1 octagon)

1 (20 edges)

1 + (2 sqrt(2))/3≈1.94281

7 + 2 sqrt(2) + sqrt(3)≈11.5605

1/2 sqrt(5 + 2 sqrt(2))≈1.39897

sqrt(1/2 (2 + sqrt(2)))≈1.30656

12 tan^(-1)(sqrt(2))≈11.4638

(assuming unit edge length)

Johnson solid skeleton 4

(not a named graph)

amphichiral | canonical | convex | equilateral | Johnson | rigid | simple | Zalgaller

Norman Johnson