Adding 2 D VectorsYou are currentlynot logged in Click here to log in 

A 2dimensional vector can be represented as a pair of numbers (usually real numbers) such as $(a,b).$ Given two such vectors $(a,b)$ and $(c,d),$ the sum is obtained by adding the respective elements:
Adding the vectors in the other order on the same diagram gives a parallelogram of vector addition, as shown in the diagram.
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