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NCERT Book Class 7 Maths Chapter 12 Symmetry

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NCERT Book Class 7 Maths Chapter 12 Symmetry – Text

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Page 1

186 MATHEMATICS

Chapter 12
Symmetry

12.1 INTRODUCTION
Symmetry is an important geometrical concept, commonly exhibited in nature and is used
almost in every field of activity. Artists, professionals, designers of clothing or jewellery,
car manufacturers, architects and many others make use of the idea of symmetry. The
beehives, the flowers, the tree-leaves, religious symbols, rugs, and handkerchiefs —
everywhere you find symmetrical designs.

Nature
Architecture Engineering
You have already had a ‘feel’ of line symmetry in your previous class.
A figure has a line symmetry, if there is a line about which the figure may be folded so
that the two parts of the figure will coincide.
You might like to recall these ideas. Here are some activities to help you.

Compose a picture-album Create some colourful Make some symmetrical
showing symmetry. Ink-dot devils paper-cut designs.

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Document Details

Board / OrgNCERT
ExamClass 7
TypeBooks
Pages20
Updated22 Jul 2026