== {{-en-}} ==
[[File:Retta.svg|thumb|600px]]
{{-loc nom-|en}}
{{Pn}}
# {{Term|matematica|en}} {{Term|geometria|en}} [[linea retta]]
# {{Term|matematica|en}} {{Term|geometria|en}} [[retta]]

{{-sin-}}
* [[beeline]]
* [[line#English|line]]