Johnson Solids (Page 5)
(box: x-ray)
(F: faces)
(slider: perspective)
(image: L=rotate R=zoom)
(M: metrics)
Please use a browser that supports "canvas"
(J92)
Triangular Hebesphenorotunda
Vertices:
18 ({6 * 2 + 3 * 2}[4])
Faces:
20 ({6 + 3 * 2 + 1} equilateral triangles + 3 squares
+ 3 regular pentagons + 1 regular hexagon)
Edges:
36
Symmetry:
3-fold Pyramidal (C3v)
(values below based on edge length = 1)
Volume:
(15+7*sqrt(5))/6
≈5.1087459737497546458