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Compute each part of given question:

Question: Consider two vectors A and B and their resultant A+B. The magnitudes of the vectors A and B are, respectively, 19.8 and 5.4 and they act at 78 degrees to each other.

Part A: Find the magnitude of the Resultant Vector A+B?

Part B: Find the angle between the direction of the resultant vector A+B and the direction of the vector A.

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