These comprehensive RBSE Class 6 Maths Notes Chapter 13 Symmetry will give a brief overview of all the concepts.
Rajasthan Board RBSE Solutions for Class 6 Maths in Hindi Medium & English Medium are part of RBSE Solutions for Class 6. Students can also read RBSE Class 6 Maths Important Questions for exam preparation. Students can also go through RBSE Class 6 Maths Notes to understand and remember the concepts easily. Students are advised to practice अनुपात और समानुपात के प्रश्न class 6 of the textbook questions.
→ If a line or point divides a given figure into two identical halves, then we say that the given figure is symmetrical about that line or point.
→ If a line or point does not divide a given figure into two identical halves, then we say that the given figure is non-symmetrical figure.
→ If a fine divides a given figure into two identical halves, then we say that the line is line of symmetry or axis of symmetry.
→ A figure may or may not have a line of symmetry.
Example |
Number of lines of symmetry |
A scalene triangle |
No symmetric line |
An isosceles triangle |
Only one symmetric |
A rectangle |
Two symmetric lines |
Equilateral triangle |
Three symmetric lines |
A circle |
Infinite symmetric lines |
→ The line symmetry is closely related to mirror reflection. When dealing with mirror reflection, we have to take into account the left-right changes in orientation.
→ In our day to day life we see many structures, figures, objects, which are so evenly balanced and in pleasing proportion that simply they are symmetrical.