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

== {{-no-}} ==
{{-loc nom-|no}}
{{Pn}}
# {{Term|matematica|no}} {{Term|geometria|no}} [[linea retta]]
# {{Term|matematica|no}} {{Term|geometria|no}} [[retta]]