Pentagonal prism pyramid (EntityTopic, 14)
From Hi.gher. Space
The pentagonal prism pyramid is a CRF polychoron among Klitzing's list of segmentochora (K4.141).
Dichoral angles
- Between pentagonal pyramid and pentagonal prism: 18° (exact)
- Between square pyramid and pentagonal prism: atan(sqrt(5)-2) ≈ 13.28°
Coordinates
# Pentagonal prism <√((10+2*√5)/5), 0, ±1, 0> <√((5-√5)/10), ±phi, ±1, 0> <-√((5+2*√5)/5), ±1, ±1, 0> # Apex <0, 0, 0, √((5-2*√5)/5)>