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2. An embankment of width 10m and side slope 1 1/2 : 1 is required to...

2. An embankment of width 10m and side slope 1 1/2 : 1 is required to be made on a ground which is level in a direction traverse to centre line. The central height at 20 m intervals are as follows: 0.8, 1.2, 2.25, 2.6, 1.9, 1.4 and 0.9. Calculate the volume of earth work according to prismoidal formula.
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