decagon

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Related to decagons: nonagons, heptagons

decagon

a polygon having ten sides

decagon

[′dek·ə‚gän]
(mathematics)
A 10-sided polygon.
References in periodicals archive ?
The researchers obtained a remarkably precise correspondence between the atomic-scale features visible on the quasicrystal's surface and a model pattern of overlapping decagons.
We were also able to exploit the translucent appearance of the Lumira aerogel to enhance the exterior design of the building by contrasting clean hi-tech glass sheets against a playful pattern of decagons formed in the adjacent concrete panels.
In 1966, US mathematician Dr Norman Johnson presented an article in the Canadian Mathematical Journal, in which he described the set of three-dimensional solids whose faces are a mixture of triangles, squares, pentagons, hexagons, octagons, and decagons.
Rather than abutting each other like the Penrose tiles, these decagons overlap in specific ways.
The general format used in this activity could easily be extended to an exploration of regular polygons for which students are not likely to have concrete manipulatives, such as heptagons, nonagons, decagons, and dodecagons.