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Maths

Area and perimeter

Area of a parallelogram and trapezium

Remember: in these diagrams h is the perpendicular height.

Parallelogram

The area of a parallelogram is b × h

image: parallelogram

Trapezium

The area of a trapezium is 1/2 × h × (a + b)

image: trapezium

Back to Geometry and measures index

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