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