Johnson Solids (Page 1)

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(J3) Triangular Cupola

Vertices:   9  (6[3] + 3[4]) Faces: 8  ({3 + 1} equilateral triangles + 3 squares + 1 regular hexagon) Edges: 15 Symmetry:   3-fold Pyramidal  (C3v) (values below based on edge length = 1) Volume: 5*sqrt(2)/6     ≈1.1785113019775792073