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

See also Dodecahedron, Rhomb, Zonohedron


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.

© 1996-9 Eric W. Weisstein