?, ? are the horizontal angles measured at the ends of a base line AB to a hill top whose angle of elevation from station A is ?°. The height of the hill top above the trunnion axis of the theodolite station, is
Options
A.
B.
C.
D.
Correct Answer
More questions
1. An ordinary Portland cement when tested for its fineness, should not leave any residue on I.S. seive No. 9, more than