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triaugmented triangular prism : ウィキペディア英語版 | triaugmented triangular prism
In geometry, the triaugmented triangular prism or tetracaidecadeltahedron is one of the Johnson solids (''J''51). As the name suggests, it can be constructed by attaching square pyramids (''J''1) to each of the three equatorial faces of the triangular prism. It is a deltahedron. == Dual polyhedron ==
The dual of the triaugmented triangular prism is an order-5 associahedron. This transparent image shows its three square, and six congruent irregular pentagonal faces. Edges are colored to distinguish the 3 different edge lengths.
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