i recently had an exercise where i had to calculate the cross sectional area at a road cross section. The information i had was in the form of levels and widths.
i had the following data,
eg: (x,y format)
(0, 103.21)
(0, 103.25)
(3, 103.32)
(6, 102.22)
(6, 102.27)
So basically its a...