MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2

MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2

Question 1.
Which of the following figures have rotational symmetry of order more than 1 :
MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2 1
Solution:
(a) The given figure has its rotational symmetry of order 4.
MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2 2

(b) The given figure has its rotational symmetry of order 3.
MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2 3

(c) The given figure has its rotational symmetry of order 1.
MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2 4

(d) The given figure has its rotational symmetry of order 2.
MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2 5

(e) The given figure has its rotational symmetry of order 3.
MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2 6

(f) The given figure has its rotational symmetry of order 4.
MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2 7
Hence, figures (a), (b), (d), (e) and (f) have rotational symmetry of order more than 1.

MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2

Question 2.
Give the order of rotational symmetry for each figure:
MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2 8
Solution:
(a) The given figure has rotational symmetry of order 1.
MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2 9

(b) The given figure has rotational symmetry of order 2.
MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2 10

(c) The given figure has rotational symmetry of order 3.
MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2 11

(d) The given figure has rotational symmetry of order 4.
MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2 12

(e) The given figure has rotational symmetry of order 4.
MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2 13

(f) The given figure has rotational symmetry of order 5.
MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2 14

(g) The given figure has rotational symmetry of order 6.
MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2 15

(h) The given figure has rotational symmetry of order 3.
MP Board Class 7th Maths Solutions Chapter 14 Symmetry Ex 14.2 16

MP Board Class 7th Maths Solutions