Johnson Solids (Page 1)
(box: x-ray)
(F: faces)
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(J1)
Square Pyramid
Vertices:
5 (4[3] + 1[4])
Faces:
5 (4 equilateral triangles + 1 square)
Edges:
8
Symmetry:
4-fold Pyramidal (C4v)
(values below based on edge length = 1)
Volume:
sqrt(2)/6
≈0.23570226039551584147