Find A+B+C for vectors shown below. A = 5m, 90°; B = 12m, 0°; C = 20m, -35°; please provide short explanation of the process

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Q: Question b is not the right solution. Could you please revise it?

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.