Q281
In Quadrantal system back bearing of a line may be obtained from its forward bearing by . . . . . . . .
A.
Adding 180°, if the given bearing less than 90°
B.
Subtracting 90°, if the given bearing is more than 90°
C.
Changing the cardinal points by substituting N for Sand E for Wand Vise versa
D.
Substracting 180°, if the given bearing is more than 180°
AnswerAnswer: Option D
Solution
Answer: Option D
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