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Vectors: Magnitude
The magnitude of the vector (3, 90°) is to 3 dps.

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Worked Solution:

The magnitude-direction form of the vector tells us immediately that the magnitude is 3

© MEI Produced by Dr Ron Knott, revised 15 May 2007
tom . button [AT] mei . org . uk 		Test reference: VectorsMag.html?ref=25770