> > > > In the sum A + B = C , vector A has a magnitude of 12.0 m and is angled 42.1 counterclockwise from the +x direction, and vector _) C has a magnitude of 16.6 m and is angled 20.5D counterclockwise from the -x direction. What are (a) the magnitude and (b) the angle ) (relative to +x) of B ? State your angle as a positive number. {D (a) Number a Units (b) Number I Units 1