Which of the following is related to mid-section formula?
1
The mean depth is the average of two consecutive sections' depths
2
The volume of the earth work is estimated by multiplying the area of the midsection by the distance between the two sections
3
By multiplying the mid-section area by the distance between the two original sections, the volume of earth work is computed
4
The average depth is used to compute the area of midsections
5
Question Not Attempted