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In each of the following figures, write the number of lines of symmetry and order of rotational symmetry.
In each of the following figures, write the number of lines of symmetry and order of rotational symmetry. [Hint: Consider these as 2-D figures not as 3-D objects.]
[Hint: Consider these as 2-D figures not as 3-D objects.]

Solution:

Figure Number of lines of symmetry Order of rotational symmetry
a 1 1
b 1 1
c 1 1
d 2 2
e 1 2
f 0 1
g 1 1
h 0 3
i 4 4
j 1 1
k 0 1
l 1 1
m 0 2
n 0 1
o 1 1
p 0 1
q 1 1
r 0 1
s 3 3
t 1 1
u 10 10
v 3 3
w 0 1

Therefore, the number of lines of symmetry and order of rotational symmetry are mentioned in the table above.

✦ Try This: Construct an equilateral triangle MNO of side 5 cm.

☛ Also Check: NCERT Solutions for Class 7 Maths Chapter 10

NCERT Exemplar Class 7 Maths Chapter 12 Problem 103

In each of the following figures, write the number of lines of symmetry and order of rotational symmetry. [Hint: Consider these as 2-D figures not as 3-D objects.]

Summary:

In each of the following figures, the number of lines of symmetry and order of rotational symmetry is mentioned above.

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