File:Regular_polygon_9_annotated.svg · Wikimedia Commons · See Wikimedia Commons
Also known as enneagon, 9-gon
9つの辺と頂点を持つ多角形
AI overview
A nonagon is a shape with nine sides and nine angles, belonging to the family of polygons studied in geometry. While nonagons don't have major practical applications in everyday life, they're useful for understanding geometric principles and appear occasionally in design and mathematics.
AI-generated from the Wikipedia summary — may contain errors.
Wikidata facts
Show 6 more facts
- maintained by WikiProject
- WikiProject Mathematics
- has facet polytope
- edge
- different from
- regular nonagon
- has vertex figure
- line segment
- dual to
- nonagon
- Commons category
- Nonagons
Sources (1)
via Wikidata · CC0
Article · 日本語
九角形（きゅうかくけい、きゅうかっけい、英：nonagon、enneagon）は、多角形の一つで、9本の辺と9個の頂点を持つ図形である。内角の和は1260°、対角線の本数は27本である。
Abstract from DBpedia / Wikipedia · CC BY-SA