# Spinostellated tetradecagon

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Spinostellated tetradecagon | |
---|---|

Rank | 2 |

Type | Regular |

Space | Spherical |

Notation | |

Bowers style acronym | Nisted |

Schläfli symbol | {14/6} |

Elements | |

Components | 2 great heptagrams |

Edges | 14 |

Vertices | 14 |

Vertex figure | Dyad, length 2cos(3π/7) |

Measures (edge length 1) | |

Circumradius | |

Inradius | |

Area | |

Angle | |

Central density | 6 |

Number of external pieces | 28 |

Level of complexity | 2 |

Related polytopes | |

Army | Ted, edge length |

Dual | Great stellated tetradecagon |

Conjugates | Stellated tetradecagon, Great stellated tetradecagon |

Convex core | Tetradecagon |

Abstract & topological properties | |

Flag count | 28 |

Euler characteristic | 2 |

Orientable | Yes |

Properties | |

Symmetry | I_{2}(14), order 28 |

Convex | No |

Nature | Tame |

The **spinostellated tetradecagon** or **nisted** is a polygon compound composed of two great heptagrams. As such it has 14 edges and 14 vertices.

It is the fifth stellation of the tetradecagon.

Its quotient prismatic equivalent is the great heptagrammic antiprism, which is three-dimensional.

## Vertex coordinates[edit | edit source]

Coordinates for a spinostellated tetradecagon of edge length 2sin(3π/7), centered at the origin, are:

## External links[edit | edit source]

- Bowers, Jonathan. "Regular Polygons and Other Two Dimensional Shapes".