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
Other lessons in this sub-strand
- Units of length
- Converting units of length
- Operations with lengths
- Perimeter of plane figures
- Circumference and Pi
- Using circumference and length