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Year 9 Interactive Maths - Second Edition


Area of a Trapezium

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

Recall that:

The area of a trapezium, A, is given by:


Example 13

Find the area of the following trapezium.

Solution:

So, the area of the trapezium is 368 cm2.


Example 14

Find the area of the following trapezium.

Solution:

So, the area of the trapezium is 60 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.

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