Q1) In trigonometric levelling, the theodolite was setting between two points A and B with height 1.62 m above groundThen observed the staff in each point and recorded data as given below. Compute the difference in elevations between these points

Q1 In trigonometric levelling the theodolite was setting between two points A and B with height 162 m above groundThen observed the staff in each point and reco class=