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Discussion :: Surveying

  1. For a line AB

    2. A.

     the forebearing of AB and back bearing of AB differ by 180°
    B.

     the forebearing of AB and back bearing of BA differ by 180°
    C.

     both (A) and (B) are correct
    D.

     none is correct

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    Answer : Option A

    Explanation :

    Explanation Not Provided

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