2. Find the resultant of the following displacement:
A = 20km 30° south of east;
B = 50km due west
C = 40km north east;
D = 30km 60° south of west
2. Find the resultant of the following displacement:
A = 20km 30° south of east;
B = 50km due west
C = 40km north east;
D = 30km 60° south of west