Area of Parallelograms, Trapeziums & Compound Shapes

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About Course

Calculate the area of parallelograms, triangles and trapeziums, then split or subtract to find the area and perimeter of L-shapes and other compound shapes. Matches GCSE Foundation and Functional Skills Level 1 and 2 content, with worked examples from rooms, gardens and patios.

Tutwoo is an independent learning provider. This course supports Functional Skills and GCSE Maths revision in England. It is not produced or endorsed by any awarding body and is not an accredited qualification.

© 2026 Tutwoo UK Limited. This course was created in-house by Tutwoo and is our original work. It is for your own learning only: please do not copy, share, record or resell it.

What Will You Learn?

  • Use the perpendicular height, not the slanted side, in area formulae
  • Apply A = ½(a + b)h to any trapezium and work backwards to a missing length
  • Find the area and perimeter of compound shapes by splitting or subtracting
  • Turn area answers into real quantities such as turf, flooring or paint

Course Content

Course Lessons

  • Parallelograms and triangles
  • Trapeziums
  • Compound shapes: split or subtract
  • Practical problems: units and materials

Sources & Further Reading
The official guidance this course is based on.

Final Assessment

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