Adeoye moves a distance of $4.0km$ from a point, A on a bearing of $N{30}^{\circ }E$ to a point $B$ and then a distance of $3.0km$ on a bearing of $S{60}^{\circ }E$ to a point, C, Calculate Adeoye's resultant displacement from point, A

A. $10km$, $N{60}^{\circ }E$
B. $5km,N{67}^{\circ }E$  
C. $3km,S{30}^{\circ }E$
D. $4km,S{60}^{\circ }E$

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Correct Answer: B