Enneacontahedron

A Zonohedron constructed from the 10 diameters of the Dodecahedron which has 90 faces, 30 of which areRhombs of one type and the other 60 of which are Rhombs of another. The enneacontahedronsomewhat resembles a figure of Sharp.

References

Ball, W. W. R. and Coxeter, H. S. M. Mathematical Recreations and Essays, 13th ed. New York: Dover, pp. 142-143, 1987.

Sharp, A. Geometry Improv'd. London, p. 87, 1717.

• Denjoy Integral
• Denominator
• Dense
• Density
• Density (Polygon)
• Density (Sequence)
• Denumerable Set
• Denumerably Infinite
• de Polignac's Conjecture
• Depth (Graph)
• Depth (Size)
• Depth (Statistics)
• Depth (Tree)
• Derangement
• de Rham Cohomology
• Derivative
• Derivative Test
• Derived Set
• Dervish
• Desargues' Theorem
• Descartes Circle Theorem
• Descartes-Euler Polyhedral Formula
• Descartes Folium
• Descartes' Formula
• Descartes Ovals