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Matamaitic » Céimseata » Céimseata Chomhordanáideach Aonán sa spás Eoiclídeach a bhfuil méid agus treo aici. Is féidir deighleán treoch de líne a úsáid chun veicteoir a léiriú go geoiméadrach.
Mathematics » Geometry » Coordinate Geometry An entity in Euclidean space that has both magnitude and direction. A vector can be represented geometrically by a directed segment of a line.