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Cambridge IGCSE Mathematics

5.5Compound shapes and parts of shapes

Compound shapes and parts of shapes in Cambridge IGCSE Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
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Learning objectives

What the syllabus expects you to be able to do.

  1. 5.5.1Calculate perimeters and areas of compound shapes and of parts of shapes.
  2. 5.5.2Calculate surface areas and volumes of compound solids and of parts of solids (Extended: including frustums).

Lessons

  • Compound shapes and solids

    40 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Compound shapes and parts of shapes: sample question

1 mark

A room is a rectangle 12 m by 9 m with a 5 m by 4 m rectangle missing from one corner (an L-shape). Calculate the area of the floor.

Answer in m².

Turn Compound shapes and parts of shapes into a strength.

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