An diofar eadar na mùthaidhean a rinneadh air "Ceithir-cheàrnach"

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b robot Adding: km:ចតុកោណ
Loidhne 122:
[[lv:Četrstūris]]
[[mk:Четириаголник]]
[[ml:ചതുര്‍ഭുജം]]
[[nl:Vierhoek]]
[[no:Firkant]]