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

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b robot Adding: simple:Quadrilateral
Loidhne 88:
[[Category:cumaidhean]]
 
[[am:አራት ማዕዘን]]
[[ar:رباعي الأضلاع]]
[[ast:Cuadriláteru]]