Math Art
Enneagonal Prism

Enneagonal Prism

Enneagonal Prism is a prism, with 18 vertices, 27 edges and 11 faces, symmetry group D9h of order 36.

Open Enneagonal Prism in the interactive viewer →

convex prism prism-family

Properties

Vertices
18
Edges
27
Faces
11
Convex
yes
Density
1
Symmetry
D9h
Orbifold
*229
Symmetry order
36
Dual
enneagonal-dipyramid
Volume
{'value': 6.181824193772895, 'exact': None}
Surface area
{'value': 21.363648387545783, 'exact': None}
Circumradius
{'value': 1.5450430552587384, 'exact': None}
Inradius
[{'face': '{4}', 'exact': None, 'value': 1.3737387097273108}, {'face': '{9}', 'exact': '1/2', 'value': 0.5}]
Midradius
{'value': 1.4619022000815436, 'exact': None}

Dual

enneagonal-dipyramid