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A trapezium is a quadrilateral with a pair of parallel sides, and in order to calculate the area of my trapezium I need to use the formula A plus B, multiplied by H, divided by two.
A KS3 Bitesize 11-14 Maths guide showing how to show the area of a parallelogram is base multiplied by height. WATCH: How to show the formula for the area of a trapezium ...