• Thumbnail for Triangular bipyramid
    A triangular bipyramid is a hexahedron with six triangular faces constructed by attaching two tetrahedra face-to-face. The same shape is also known as...
    17 KB (1,556 words) - 11:36, 16 July 2025
  • Thumbnail for Elongated triangular bipyramid
    geometry, the elongated triangular bipyramid (or dipyramid) or triakis triangular prism a polyhedron constructed from a triangular prism by attaching two...
    6 KB (693 words) - 06:56, 21 August 2024
  • the base, for an n-gonal base forming n triangular faces in addition to the base face. An n-gonal bipyramid thus has 2n faces, 3n edges, and n + 2 vertices...
    33 KB (3,657 words) - 08:12, 29 July 2025
  • Thumbnail for Pentagonal bipyramid
    The pentagonal bipyramid (or pentagonal dipyramid) is a polyhedron with ten triangular faces. It is constructed by attaching two pentagonal pyramids to...
    13 KB (1,336 words) - 02:06, 16 July 2025
  • Thumbnail for Trigonal bipyramidal molecular geometry
    trigonal bipyramid formation is a molecular geometry with one atom at the center and 5 more atoms at the corners of a triangular bipyramid. This is one...
    6 KB (682 words) - 15:25, 7 February 2023
  • Thumbnail for Triangular prism
    dual polyhedron of a triangular prism is a triangular bipyramid. The triangular bipyramid has the same symmetry as the triangular prism. The dihedral angle...
    19 KB (1,628 words) - 04:15, 14 July 2025
  • Octahedron (redirect from Square bipyramids)
    octahedron all of whose faces are quadrilaterals. Triangular bifrustum: The dual of an elongated triangular bipyramid (a Johnson solid), this can be realized with...
    13 KB (1,273 words) - 14:28, 26 July 2025
  • Thumbnail for Gyroelongated square bipyramid
    In geometry, the gyroelongated square bipyramid is a polyhedron with 16 triangular faces. it can be constructed from a square antiprism by attaching two...
    9 KB (985 words) - 15:24, 25 May 2025
  • Thumbnail for Gyroelongated bipyramid
    gyroelongated square bipyramid, a Johnson solid; the icosahedron, a Platonic solid; and the gyroelongated triangular bipyramid if it is made with equilateral...
    3 KB (178 words) - 17:44, 18 July 2025
  • Thumbnail for Triangular prismatic honeycomb
    pairs of tetrahedra existing in the alternated gaps (instead of a triangular bipyramid). There are 1 + 3 + 1 = 5 edges meeting at a vertex, 3 Hexagonal...
    15 KB (921 words) - 16:16, 13 July 2025
  • hexecontahedron Bipyramid Triangular bipyramid, Pentagonal bipyramid, Hexagonal bipyramid, Heptagonal bipyramid, Octagonal bipyramid, Decagonal bipyramid Trapezohedron...
    30 KB (2,692 words) - 15:23, 9 February 2025
  • Thumbnail for Triangular bifrustum
    truncated triangular bipyramid; however, that term is ambiguous, as it may also refer to polyhedra formed by truncating all five vertices of a triangular bipyramid...
    3 KB (242 words) - 00:12, 10 June 2024
  • elongated triangular bipyramid are constructed by attaching one and two regular tetrahedra onto the bases of a triangular prism; the triangular bipyramid is...
    74 KB (9,683 words) - 02:01, 1 August 2025
  • of which can be considered the base. triangular bipyramid, regular octahedron, and pentagonal bipyramid; bipyramids with six, eight, and ten equilateral...
    16 KB (1,507 words) - 01:49, 9 July 2025
  • Thumbnail for Sonobe
    reconnected on the underside, resulting in two triangular pyramids joined at the base, a triangular bipyramid. A popular intermediate model is the triakis...
    12 KB (1,230 words) - 17:32, 14 November 2024
  • Thumbnail for Snub disphenoid
    snubification. The snub disphenoid may also be constructed from a triangular bipyramid, by cutting its two edges along the apices. These apices can be pushed...
    16 KB (1,878 words) - 09:48, 14 March 2025
  • Thumbnail for Triangle
    Triangle (redirect from Triangular)
    deltahedra. Antiprisms have alternating triangles on their sides. Pyramids and bipyramids are polyhedra with polygonal bases and triangles for lateral faces; the...
    55 KB (6,518 words) - 21:19, 11 July 2025
  • Square orthobicupola Square pyramid Triangular bipyramid Triangular cupola Triangular hebesphenorotunda Triangular orthobicupola Triaugmented dodecahedron...
    46 KB (3,545 words) - 22:21, 19 July 2025
  • Thumbnail for Equilateral triangle
    Johnson solids (triangular bipyramid, pentagonal bipyramid, snub disphenoid, triaugmented triangular prism, and gyroelongated square bipyramid). More generally...
    25 KB (2,644 words) - 16:15, 29 May 2025
  • pentagonal pyramid Triangular bipyramid Pentagonal bipyramid Elongated triangular bipyramid Elongated square bipyramid Elongated pentagonal bipyramid Gyroelongated...
    19 KB (1,799 words) - 11:38, 19 June 2025
  • Thumbnail for Tetrahedral bipyramid
    tetrahedra, creating 8 tetrahedral cells, 16 triangular faces, 14 edges, and 6 vertices. A tetrahedral bipyramid can be seen as two tetrahedral pyramids augmented...
    3 KB (198 words) - 00:56, 12 August 2024
  • Thumbnail for Primary color
    (a German mathematician, physicist, and astronomer) described a triangular bipyramid with red, yellow and blue at the 3 vertices in the same plane, white...
    85 KB (9,917 words) - 05:10, 17 July 2025
  • Thumbnail for 600-cell
    the long diameter of a face-bonded pair of tetrahedral cells (a triangular bipyramid), and passes through the center of the shared face. As there are...
    124 KB (16,242 words) - 21:54, 1 August 2025
  • Thumbnail for Regular octahedron
    faces, four of which meet at each vertex. It is a type of square bipyramid or triangular antiprism with equal-length edges. Regular octahedra occur in nature...
    31 KB (3,020 words) - 08:21, 1 August 2025
  • Thumbnail for Elongated bipyramid
    elongated bipyramids that are Johnson solids: Elongated triangular bipyramid (J14), Elongated square bipyramid (J15), and Elongated pentagonal bipyramid (J16)...
    3 KB (183 words) - 12:32, 28 July 2024
  • Thumbnail for Associahedron
    Fullerene of fourteen carbon atoms C14" under "b) Base-truncated triangular bipyramid (Fig. 16)" a K5 polyhedron Sloane, N. J. A. (ed.). "Sequence A033282...
    13 KB (1,459 words) - 20:43, 28 July 2025
  • Thumbnail for Triaugmented triangular prism
    icosahedron, pentagonal bipyramid, snub disphenoid, and gyroelongated square bipyramid. The dual polyhedron of the triaugmented triangular prism has a face for...
    20 KB (2,224 words) - 07:16, 15 June 2025
  • Thumbnail for Regular icosahedron
    constructed starting from a regular octahedron. One can take all the triangular faces of a regular octahedron, break them, twist them at a certain angle...
    50 KB (5,012 words) - 10:35, 29 July 2025
  • Thumbnail for Hexagonal bipyramid
    A hexagonal bipyramid is a polyhedron formed from two hexagonal pyramids joined at their bases. The resulting solid has 12 triangular faces, 8 vertices...
    4 KB (395 words) - 12:50, 6 August 2024
  • Thumbnail for Square pyramidal number
    two consecutive triangular numbers. If a tetrahedron is reflected across one of its faces, the two copies form a triangular bipyramid. The square pyramidal...
    19 KB (2,323 words) - 21:37, 22 June 2025