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Chapter 9 of 10
Chapter Summary

Symmetry

CBSE · Class 6 · Mathematics

Summary of Symmetry for CBSE Class 6 Mathematics. Key concepts, important points, and chapter overview.

45 questions20 flashcards5 concepts

Overview

Symmetry is everywhere around us - from the beautiful petals of a flower to the intricate patterns of rangoli designs. This chapter explores how certain figures have parts that repeat in definite patterns, making them symmetrical. We learn about two main types of symmetry: line symmetry (reflection

Key Concepts

A line of symmetry is

A line of symmetry is a line that divides a figure into two identical halves that overlap completely when folded along that line. These halves are cal

A figure has rotational symmetry if

A figure has rotational symmetry if it looks exactly the same when rotated by a certain angle about a fixed point called the center of rotation. The a

Symmetrical figures can be created through

Symmetrical figures can be created through various methods like ink blot technique (folding paper and applying ink), paper cutting (folding and cuttin

Figures with radial arms extending from

Figures with radial arms extending from a center can have rotational symmetry. For a figure with n equal radial arms to have rotational symmetry, the

A circle has infinite lines

A circle has infinite lines of symmetry (every diameter is a line of symmetry) and infinite angles of symmetry (every angle is an angle of symmetry).

Learning Objectives

  • Identify and understand the concept of symmetry in various figures and objects
  • Find lines of symmetry in different shapes and patterns
  • Create symmetrical figures using paper folding, cutting, and other methods
  • Understand rotational symmetry and find angles of symmetry
  • Distinguish between reflection symmetry and rotational symmetry

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Frequently Asked Questions

What are the important topics in Symmetry for CBSE Class 6 Mathematics?

Symmetry covers several key topics that are frequently asked in CBSE Class 6 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.

Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.