Set of elongated dipyramids
Hexagonal elongated dipyramid
Faces 2n triangles,
n squares
Edges 5n
Vertices 2n+2
Symmetry group Dnh
Dual polyhedron bifrustums
Properties convex

In geometry, the elongated dipyramids are an infinite set of polyhedra, constructed by elongating an n'-agonal bipyramid (by inserting an n-agonal prism between its congruent halves).

There are three elongated dipyramids that are Johnson solids made from regular triangles and squares. Higher forms can be constructed with isosceles triangles.


Elongated triangular dipyramid.png Elongated square dipyramid.png Elongated pentagonal dipyramid.png Elongated hexagonal dipyramid.png

eo:Plilongigita dupiramido th:พีระมิดคู่อีลองเกต

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