File:Regular_polygon_10_annotated.svg · Wikimedia Commons · See Wikimedia Commons
AI overview
A decagon is a ten-sided shape in geometry, and like all ten-sided polygons, its interior angles add up to 1440 degrees. When a decagon is regular—meaning all its sides and angles are equal—each of its interior angles measures exactly 144 degrees.
AI-generated from the Wikipedia summary — may contain errors.
Wikidata facts
- Followed by
- hendecagon
- Follows
- nonagon
- Image
- Decagon.svg
- Has parts of class
- vertex
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- has vertex figure
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- Commons category
- Decagons
- has facet polytope
- edge
- maintained by WikiProject
- WikiProject Mathematics
Sources (1)
via Wikidata · CC0
Article · Italiano
In geometria, un decagono è un poligono con dieci lati e dieci angoli. In un decagono regolare tutti i lati hanno lunghezza uguale e tutti gli angoli sono di 144º. L'area di un decagono regolare con lato lungo è data da:
Abstract from DBpedia / Wikipedia · CC BY-SA
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