The trapezium rule is used to find the approximate area under a graph. Since integration between two limits also gives the area under a graph then the trapezium rule can often be used as a way of finding an approximate value of a definite integral.

Trapezium Rule : ExamSolutions Maths Revision - youtube Video

Type of estimate

In this video I show you how to tell if the estimate of the true area is too big or too small.

Trapezium rule : Type of estimate - too big or too small? : ExamSolutions - youtube Video