Q.
To go from town A to town B a plane must fly about 1780 km at an angle of 30o West of North. How far north of A is B ?
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a
1542 km
b
1452 km
c
1254 km
d
11 km
answer is A.
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Detailed Solution
AC = AB cos300 = 1780 x km = 1542 km
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