A flag post of height 2 m was erected on top of a building. The vertical angles to the bottom and top of it were measured using a theodolite as 7° and 10° respectively. A staff reading of 1.245 m was taken over a bench mark of + 100.00 with an angle of 0° 00’ respectively, choose the correct options from the following:
1
R.L of bottom of the flag post is 105.832 m
2
R.L of top of the flag post is 107.832 m
3
Horizontal distance from instrument to the building is 37.358 cm
4
Horizontal distance from instrument to building is 37.358 m