*According to the CBSE Syllabus 2023-24, this chapter has been renumbered as Chapter 12.
NCERT Solutions for Class 7 Maths Exercise 14.2 Chapter 14 Symmetry in simple PDF are available here. This exercise of NCERT Solutions for Class 7 Maths Chapter 14 contains topics related to rotational symmetry. Students who wish to score good marks in Maths should practise NCERT Solutions for Class 7 Chapter 14.
NCERT Solutions for Class 7 Maths Chapter 14 Symmetry – Exercise 14.3
Access Other Exercises of NCERT Solutions for Class 7 Maths Chapter 14 – Symmetry
Access Answers to NCERT Class 7 Maths Chapter 14 – Symmetry Exercise 14.2
1. Which of the following figures have rational symmetry of order more than 1:
Solution:-
(a)
So, the above figure has rotational symmetry of order 4.
(b)
So, the above figure has rotational symmetry of order 3.
(c) So, the given figure has rotational symmetry of order 1.
(d)
So, the above figure has rotational symmetry of order 2.
(e)
So, the above figure has rotational symmetry of order 3.
(f)
So, the above figure has rotational symmetry of order 4.
By observing all the figures (a), (b), (c), (d), (e) and (f) have rotational symmetry of order more than 1.
2. Give the order of rotational symmetry for each figure:
(a)
Solution:-
The above figure has rotational symmetry of order 2.
(b)
Solution:-
The above figure has rotational symmetry of order 2.
(c)
Solution:-
The above figure has rotational symmetry of order 3.
(d)
Solution:-
The above figure has rotational symmetry of order 4.
(e)
Solution:-
The above figure has rotational symmetry of order 4.
(f)
Solution:-
The above figure has rotational symmetry of order 5.
(g)
Solution:-
The above figure has rotational symmetry of order 6.
(h)
Solution:-
The above figure has rotational symmetry of order 3.
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NCERT Solutions for Class 7 Maths
Very helpful
This is very very useful and helpful