In any closed traverse, if the survey work is error free, then
1. The algebraic sum of all the latitudes should be equal to zero.
2. The algebraic sum of all the departures should be equal to zero.
3. The sum of the northings should be equal to the sum of the southings.
Which of the above statements are correct?
1
1 and 2 only
2
1 and 3 only
3
2 and 3 only
4
1, 2 and 3