GCSE Maths (AQA)

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Area of a Trapezium

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Geometry and Measures Mensuration and Calculation

Area of a Trapezium

3:41 More Areas
Spec G16
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  • The formula for the area of a trapezium is A plus B times h over 2
  • A represents the length of one of the parallel sides
  • B represents the length of the other parallel side
  • H represents the height, the perpendicular distance between the two parallel sides
  • The formula can be derived by comparing a trapezium to a parallelogram
  • The area of a parallelogram is equal to its base times its perpendicular height
  • The area of a trapezium is half the area of the parallelogram formed by two identical trapezia
  • An example is given to practice using the formula
  • The area of the trapezium in the example is 30 centimeters squared

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