Civil Engineering - Docks and Harbours - Discussion

Discussion :: Docks and Harbours - Section 1 (Q.No.34)

34. 

The horizontal angles from the boat between A and B and B and C, the stations on the shore are respectively θ1 and θ2. The distances AB = L1 and BC = L2. For calculating the angle α2 at C between the boat and station B is obtained by using the following formula: where (β is horizontal angle between A and C at B).

[A].
[B]. αt tan α2 = 360° - (θ1 + θ2 + β) = φ
[C].
[D]. all the above.

Answer: Option D

Explanation:

No answer description available for this question.

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