In quadrantal bearing system, back bearing of a line may be obtained f – McqOptions

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1.	In quadrantal bearing system, back bearing of a line may be obtained from its forward bearing, by
A.	adding 180°, if the given bearing is less than 180°
B.	subtracting 180°, if the given bearing, is more than 180°
C.	changing the cardinal points, i.e. substituting N for S and E for W and vice-versa
D.	none of these.
Answer» D. none of these.

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