Elongated pentagonal rotunda

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Elongated pentagonal rotunda | J21

Johnson solid

Vertices
30
Edges
55
Faces
27
Vertex configuration
  • 10(3.5.3.5)
  • 10(3.4².5)
  • 10(4².10)
Faces by type
  • 10 triangles
  • 10 squares
  • 6 pentagons
  • 1 decagon
Volume
≈14.918s³
Surface area
≈32.347s²
Sphericity
≈0.906
Symmetry
Pentagonal pyramidal, C5v
Order
10
Properties
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Also known as
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