Question

A trapezium is drawn on a centimetre grid, what is the area of the trapezium?

Answer 1

Answer:

Area of a Trapezium

A trapezium is a quadrilateral that has only one pair of parallel sides.

Consider the area of the following trapezium.

To calculate the area of a trapezium, divide it into a rectangle and two triangles as shown below.

Now, piece together the triangular ends so that the trapezium is divided into a triangle and rectangle. The base of the triangle is the difference between the lengths of two parallel sides. That is, a – b.

Example 4

Find the area of the following trapezium.

Solution:

So, the area of the trapezium is 204 m2.

Example 5

Find the area of the following trapezium.

Solution:

So, the area of the trapezium is 39 cm2.

Remember:

A trapezium is a quadrilateral that has only one pair of parallel sides.

The area of the trapezium is given by the following formula where a and b are the lengths of the parallel sides and h is the perpendicular distance between the parallel sides.

Answer 2

Answer:

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