Hilingon an source kan Pentagono

{{Infobox Polygon
| name          = Pentagono
| image         = Equilateral pentagon.SVG
| caption       = Sarong ekwilaterong pentagono, i.e. sarong pentagono kun sain an limang gilid iyo may pararehas na laba
| edges         = 5
| sides       = {5} (para sa regular na pentagono)
| angle         = 108° (kun equiangular, kaiba an regular)}}

Sa [[heometriya]], an '''pentagono''' ([[Ingles]]: ''pentagon''; gikan sa Suanoy na Griyegong πέντε ''pente'' asin γωνία ''gonia'', boot-sabihon ''lima'' asin ''angulo''<ref>"pentagon, adj. and n." OED Online. Oxford University Press, June 2014. Web. 17 August 2014.</ref>) iyo maski anong [[poligono]] na igwang limang gilid o 5-gon. An kabilugan kan mga panlaog na angulo sa sarong simpleng pentagono iyo 540°.

An pentagono pwede magin simple o nakikipagsabatan sa sadiri (''self-intersecting''). An sarong ''self-intersecting'' na ''regular'' na pentagono (bitoong pentagono o ''star pentagon'') iyo inaapod na [[pentagramo]] (''pentagram'').

==Panluwas na takod==
{{commons category|Pentagons|Mga pentagono}}
*{{MathWorld|title=Pentagon|urlname=Pentagon}}
*[http://www.mathopenref.com/constinpentagon.html Animated demonstration] paghaman kan sarong inskribong pentagono gamit an kompas asin straightedge.
*[https://web.archive.org/web/20080616063532/http://www.opentutorial.com/Construct_a_pentagon Pano maghaman nin sarong regular na pentagono] gamit sana an kompas asin straightedge.
*[https://web.archive.org/web/20080701200220/http://www.mcs.surrey.ac.uk/Personal/R.Knott/Fibonacci/phi2DGeomTrig.html#knot Paano magtiklop nin sarong regular na pentagono] gamit sana an papel.
*[http://www.mathopenref.com/pentagon.html Definition and properties of the pentagon], may inter-aktibong animasyon
*[https://www.maa.org/book/export/html/116449 Renaissance artists' approximate constructions of regular pentagons] {{Webarchive|url=https://web.archive.org/web/20210413193914/https://www.maa.org/book/export/html/116449 |date=2021-04-13 }}
*[http://whistleralley.com/polyhedra/pentagon.htm Pentagon.] Pano magkalkula nin manlainlain na mga dimensyon kan regular na mga pentagono.

== Toltolan ==
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{{matematika-tamboan}}
[[Kategorya:Mga hugis]]