== {{-pt-}} ==
[[File:Retta.svg|thumb|600px]]
{{-sost-|pt}}
{{Pn}}
# {{Term|matematica|pt}} {{Term|geometria|pt}} [[retta]]

{{-sin-}}
* [[linha reta]]
* [[recta#Portoghese|recta]]

{{-rel-}}
* [[semi-reta]]
* [[semirreta]]