Johnson Solids (Page 1)

(box: x-ray)  (F: faces)  (slider: perspective)  (image: L=rotate R=zoom)  (M: metrics)

(J5) Pentagonal Cupola

Vertices:   15  (10[3] + 5[4]) Faces: 12  (5 equilateral triangles + 5 squares + 1 regular pentagon     + 1 regular decagon) Edges: 25 Symmetry:   5-fold Pyramidal  (C5v) (values below based on edge length = 1) Volume: (5+4*sqrt(5))/6     ≈2.3240453183331931309