A plane tiles 90km on a bearing 030° and then flies 150km due east. How...

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

The correct answer is: C

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