Johnson Solids (Page 2)
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(J25)
Gyroelongated Pentagonal Rotunda
Vertices:
30 ({5 * 4}[4] + 10[5])
Faces:
37 ({10 + 5 * 4} equilateral triangles
+ {5 + 1} regular pentagons + 1 regular decagon)
Edges:
65
Symmetry:
5-fold Pyramidal (C5v)
(values below based on edge length = 1)
Volume:
(45+17*sqrt(5)+10*sqrt(2
*(sqrt(10*(65+29*sqrt(5)))
−1−sqrt(5))))/12
≈13.667050843671696932