The route followed by a hiker consists of three displacement vectors A, B, and C. Vector A is along a measured trail and is 1550 m in a direction 25.0° north of east. Vector B is not along a measured trail, but the hiker uses a compass and knows that the direction is 41.0° east of south. Similarly, the direction of C is 35.0° north of west. The hiker ends up where she started. Therefore, it follows that the resultant displacement is zero, or A + B + C = 0. What is the magnitude of vector B?
5550 m
6160 m
4790 m
3530 m
7230 m