Decagonal bipyramid

Decagonal bipyramid
Type	bipyramid
Faces	20 triangles
Edges	30
Vertices	12
Face configuration	V4.4.10
Symmetry group	D10h, [10,2], (*2.2.10)
Dual	Decagonal prism
Properties	convex, face-transitive

In geometry, a decagonal bipyramid is one of the infinite set of bipyramids, dual to the infinite prisms. If a decagonal bipyramid is to be face-transitive, all faces must be isosceles triangles. However, there is a rather odd-looking version of the decaagonal bipyramid with each of the faces congruent having a right scalene triangle as the shape of the faces.

External links

• Weisstein, Eric W., "Dipyramid" from MathWorld.
• Olshevsky, George, Bipyramid at Glossary for Hyperspace.
• Virtual Reality Polyhedra The Encyclopedia of Polyhedra
  • VRML models <10>

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