A plane tile 90km on a bearing 030° and then flies 150km due east. How far east of the starting point is the plane?

A. 120km
B. 165km
C. 195km
D. (150 + 45√3)km
E. 240km

Correct Answer: Option C

C. 195km

Explanation
complete x as in the diagram. x/90 = sin30o
x = 90 x sin30 = 45o
∴Dist = 150 + 45 = 195km