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A dodecagram is a 12-sided star polygon, represented by symbol {12/n}. There is one regular star polygon : {12/5}, using the same vertices, but connecting every fifth point. There are also three compounds: {12/2} is reduced to 2{6} as two hexagons , and {12/3} is reduced to 3{4} as three squares , {12/4} is reduced to 4{3} as four triangles ...
The 12-sided object is one of just 33 known to exist in Roman Britain, and one of approximately 130 in the world. ... The 1,700-year-old object will be displayed at the Lincoln Museum from May 4 ...
A Roman dodecahedron or Gallo-Roman dodecahedron [1] [2] is a small hollow object made of copper alloy which has been cast into a regular dodecahedral shape with twelve flat pentagonal faces. Each face has a circular hole of varying diameter in the middle, the holes connecting to the hollow center, and each corner has a protruding knob. [ 1 ]
It has D 3d symmetry, order 12. It has 2 sets of 3 identical pentagons on the top and bottom, connected 6 pentagons around the sides which alternate upwards and downwards. This form has a hexagonal cross-section and identical copies can be connected as a partial hexagonal honeycomb, but all vertices will not match.
A pentagon is a five-sided polygon. A regular pentagon has 5 equal edges and 5 equal angles. ... This page was last edited on 12 February 2025, at 09:24 (UTC).
The 5 Platonic solids are called a tetrahedron, hexahedron, octahedron, dodecahedron and icosahedron with 4, 6, 8, 12, and 20 sides respectively. The regular hexahedron is a cube . Table of polyhedra
For mathematical objects in more dimensions, see list of mathematical shapes. ... Hendecagon – 11 sides; Dodecagon – 12 sides; Tridecagon – 13 sides;
January 12, 2025 at 12:04 AM If you’re stuck on today’s Wordle answer, we’re here to help—but beware of spoilers for Wordle 1303 ahead. Let's start with a few hints.