About: Pentagonal dipyramid   Sponge Permalink

An Entity of Type : dbkwik:resource/bx8m1ePf6ga9UmnrwLFFmg==, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

In geometry, the pentagonal dipyramid (or bipyramid) is third of the infinite set of face-transitive dipyramids. The set of dipyramids is the dual of the uniform prisms. It is also a Johnson solid (J13), constructed of regular polygons. It can be seen as two pentagonal pyramids (J2) connected along their bases. As a Johnson solid, it is a convex deltahedron. Although it is face-transitive, it is not a Platonic solid because some vertices have four faces meeting and others have five faces. Image:Pentagonal dipyramid.pngThe Johnson solid 13 is made of 10 equilateral triangles.

AttributesValues
rdf:type
rdfs:label
  • Pentagonal dipyramid
rdfs:comment
  • In geometry, the pentagonal dipyramid (or bipyramid) is third of the infinite set of face-transitive dipyramids. The set of dipyramids is the dual of the uniform prisms. It is also a Johnson solid (J13), constructed of regular polygons. It can be seen as two pentagonal pyramids (J2) connected along their bases. As a Johnson solid, it is a convex deltahedron. Although it is face-transitive, it is not a Platonic solid because some vertices have four faces meeting and others have five faces. Image:Pentagonal dipyramid.pngThe Johnson solid 13 is made of 10 equilateral triangles.
dcterms:subject
dbkwik:math/proper...iPageUsesTemplate
urlname
  • Dipyramid
  • PentagonalDipyramid
dual
Symmetry Group
  • 18000.0
Vertex Count
  • 7(xsd:integer)
Polyhedron Type
  • DipyramidandJohnson
  • J12 - J13 - J14
Title
  • Dipyramid
  • Pentagonal dipyramid
Face Type
  • V4.4.5
Edge Count
  • 15(xsd:integer)
Image File
  • pentagonal bipyramid.png
Face List
  • 10(xsd:integer)
Property List
  • convex, face-transitive,
abstract
  • In geometry, the pentagonal dipyramid (or bipyramid) is third of the infinite set of face-transitive dipyramids. The set of dipyramids is the dual of the uniform prisms. It is also a Johnson solid (J13), constructed of regular polygons. It can be seen as two pentagonal pyramids (J2) connected along their bases. As a Johnson solid, it is a convex deltahedron. Although it is face-transitive, it is not a Platonic solid because some vertices have four faces meeting and others have five faces. Image:Pentagonal dipyramid.pngThe Johnson solid 13 is made of 10 equilateral triangles.
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