)An embankment of width 15 m and side slopes 2:1 is required to make on a...

)An embankment of width 15 m and side slopes 2:1 is required to make on a ground, which is level in a direction transverse to the centerline. The central heights at 50 m intervals are as follows: 1.70, 2.25, 3.15, 4.50, 2.75, 2.15, and 1.95. Calculate the volume of earthwork according to Trapezoidal formula, and prismoidal formula.

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