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To the sum of the first and last ordinates, add twice the sum of the intermediate ordinates. The total sum thus obtained is multiplied by the common distance between the ordinates. One-half of this product gives the required area. This rule of finding the area is called

[A].	mid-ordinate rule	[B].	trapezoidal rule
[C].	average ordinate rule	[D].	Simpson's rule

Answer: Option B

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