Prisms & Antiprisms
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(Uniform #76)
Octagonal Prism
Vertices:
16 (16[3])
Faces:
10 (8 squares + 2 regular octagons)
Edges:
24
Symmetry:
8-fold Prismatic (D8h)
Octagon-Square Angle:
acos(0)
90 degrees
Square-Square Angle:
acos(−sqrt(2)/2)
135 degrees
Dual Solid:
Octagonal Dipyramid
(values below based on edge length = 1)
Circumscribed Radius:
sqrt(5+2*sqrt(2))/2
≈1.3989663259659067020
Midscribed Radius:
sqrt(2*(2+sqrt(2)))/2
≈1.3065629648763765279
Octagon Center Radius:
1/2
0.5
Square Center Radius:
(1+sqrt(2))/2
≈1.2071067811865475244
Volume:
2+2*sqrt(2)
≈4.8284271247461900976