In a tacheometry survey, the readings observed are given.
Instrument Station
Staff Station
Bearing of line of sight
Vertical angle
Staff readings (m)
p
A
145°
+8°
1.2, 1.7, 2.2
B
205°
+3°
0.8, 1.2, 1.6
The additive and multiplying constants of the instrument are 0 and 100, respectively. The length of the line AB in m, is____.(round off up to 2 decimals)