| dbo:abstract |
In geometry, an icositrigon (or icosikaitrigon) or 23-gon is a 23-sided polygon. The icositrigon has the distinction of being the smallest regular polygon that is not neusis constructible. (en) En geometría, un icositriágono (o icosikaitrigono) o 23-ágono es un polígono de 23 lados. Tiene la particularidad de ser el polígono regular más pequeño que no es construible por el método neusis. (es) 二十三角形（にじゅうさんかくけい、にじゅうさんかっけい、icositrigon）は、多角形の一つで、23本の辺と23個の頂点を持つ図形である。内角の和は3780°、対角線の本数は230本である。 (ja) 이십삼각형(二十三角形)이란 변이 23개인 다각형이다. 내각의 합은 3780도이므로, 정이십삼각형의 한 내각의 크기는 약 164.347826도이다. 한 외각의 크기는 약 15.652도이다 23은 꼴의 피어폰트 소수가 아니므로 이 다각형은 작도는 불가능하며 각의 삼등분과 뉴시스 작도를 이용해서도 작도할 수 없다. (ko) |
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https://link.springer.com/article/10.1007/s11786-020-00491-z |
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| rdfs:comment |
In geometry, an icositrigon (or icosikaitrigon) or 23-gon is a 23-sided polygon. The icositrigon has the distinction of being the smallest regular polygon that is not neusis constructible. (en) En geometría, un icositriágono (o icosikaitrigono) o 23-ágono es un polígono de 23 lados. Tiene la particularidad de ser el polígono regular más pequeño que no es construible por el método neusis. (es) 二十三角形（にじゅうさんかくけい、にじゅうさんかっけい、icositrigon）は、多角形の一つで、23本の辺と23個の頂点を持つ図形である。内角の和は3780°、対角線の本数は230本である。 (ja) 이십삼각형(二十三角形)이란 변이 23개인 다각형이다. 내각의 합은 3780도이므로, 정이십삼각형의 한 내각의 크기는 약 164.347826도이다. 한 외각의 크기는 약 15.652도이다 23은 꼴의 피어폰트 소수가 아니므로 이 다각형은 작도는 불가능하며 각의 삼등분과 뉴시스 작도를 이용해서도 작도할 수 없다. (ko) |
| rdfs:label |
Icositriágono (es) Icositrigon (en) Triaicosagone (fr) 二十三角形 (ja) 이십삼각형 (ko) |
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