In a geodetic survey, A theodolite is placed at ‘A’, and the angle of elevation and depression of a Building at a distance of 3200 m is 4.4o and 2.8o respectively. The height of the instrument at A is 1.2 m and the reduced level (RL) of point A is 680.82m. The RL of the bottom and top of the building respectively,
1
928.24 m, 525.52 m
2
525.52 m, 928.24 m
3
524.83 m, 927.55 m
4
927.55 m, 524.83 m