← 3.2 Length

Perimeter of plane figures

Mathematics · Grade 7 · about 40 minutes

Find the distance around squares, rectangles, triangles and combined shapes by adding the outer sides.

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  • 9 sections of explanation, worked examples and diagrams
  • 1 practice task with hints and worked answers
  • A quiz that marks itself as you go
  • Your progress kept across every subject you take
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