Johnson Solids (Page 1)

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(J2) Pentagonal Pyramid

Vertices:   6  (5[3] + 1[5]) Faces: 6  (5 equilateral triangles + 1 regular pentagon) Edges: 10 Symmetry:   5-fold Pyramidal  (C5v) (values below based on edge length = 1) Volume: (5+sqrt(5))/24     ≈0.30150283239582457068