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
Verified Correct Answer: C.
Step-by-Step Mathematical Solution
complete x as in the diagram. x/90 = sin30o
x = 90 x sin30 = 45o
∴Dist = 150 + 45 = 195km
Source: Myschool Past Questions Archive (Record #23214)