Consider the below statements with respect to surveying and identify the correct answer.
Statement A: Latitude of a survey line is defined as its coordinate length measured in the direction perpendicular to an assumed meridian direction.
Statement B: The type of levelling in which levels are taken on each side of a main line at right angles to that line in order to determine a vertical cross-section of the surface of the ground is called Differential levelling.
1
Both statements are incorrect.
2
Statement B is correct, and statement A is incorrect.
3
Both statements are correct.
4
Statement A is correct, and statement B is incorrect.