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If the cross sectional areas at every 50 m, in a length of 200 m are: 5 m², 10 m², 15 m², 10 m², 5 m² then, volume by trapezoidal rule is

A4000 m^3

B5000 m^3

C2000 m^3

D3000 m^3

Answer:

C. 2000 m^3


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