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Chapter 12 Class 7 Symmetry

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Updated for new NCERT Book.

Get solutions of all NCERT Exercise Questions, and Examples of Chapter 12 Class 7 Symmetry free at teachoo. Answers to all the questions are given in a step-by-step manner, and the concepts are also explained.

 

In this chapter, we will learn

  • What is line of symmetry of an object
  • We will find Lines of Symmetry of Common Figures
  • and Lines of Symmetry of Regular Polygons
  • Finding Line of Symmetry in figures with punched holes
  • Given line of symmetry, finding the location of the other punched hole
  • Completing figures where lines of symmetry is given
  • Finding multiple lines of symmetry in figures
  • Reflectional Symmetry (or Mirror Symmetry) of all 26 English Alphabets (A, B, C, D, E, ....., Z)
  • What is rotational symmetry
  • What is Order of rotational symmetry
  • Relation between order of rotational symmetry and angle of rotation
  • Rotational Symmetry of common figures
  • Line Symmetry and Rotational Symmetry of English Alphabets
  • Figures with both Line Symmetry and Rotational Symmetry

 

Click on an exercise link or a topic link below to get started.

Serial order wise

  Ex 12.1
  Ex 12.2
  Ex 12.3

Concept wise

  Symmetry
  Making shapes using mirror line
  Multiple lines of symmetry
  Rotational Symmetry
  Lines and Rotational symmetry (Both)
  Line and Rotational symmetry - Alphabets

What's in it?

Updated for new NCERT Book.

Get solutions of all NCERT Exercise Questions, and Examples of Chapter 12 Class 7 Symmetry free at teachoo. Answers to all the questions are given in a step-by-step manner, and the concepts are also explained.

 

In this chapter, we will learn

  • What is line of symmetry of an object
  • We will find Lines of Symmetry of Common Figures
  • and Lines of Symmetry of Regular Polygons
  • Finding Line of Symmetry in figures with punched holes
  • Given line of symmetry, finding the location of the other punched hole
  • Completing figures where lines of symmetry is given
  • Finding multiple lines of symmetry in figures
  • Reflectional Symmetry (or Mirror Symmetry) of all 26 English Alphabets (A, B, C, D, E, ....., Z)
  • What is rotational symmetry
  • What is Order of rotational symmetry
  • Relation between order of rotational symmetry and angle of rotation
  • Rotational Symmetry of common figures
  • Line Symmetry and Rotational Symmetry of English Alphabets
  • Figures with both Line Symmetry and Rotational Symmetry

 

Click on an exercise link or a topic link below to get started.