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