Exercise 4.1 - Chapter 4 Symmetry Term 3 6th Maths Guide Samacheer Kalvi Solutions - SaraNextGen [2024-2025]

Updated By SaraNextGen

On April 24, 2024, 11:35 AM

Question $1 .$
Fill in the blanks
i) The reflected image of the letter ' $q$ ' is
Hint:

Solution:
$\mathrm{p}$
ii) A rhombus has lines of symmetry.
Hint:
two
iii) The order of rotational symmetry of the letter ' $Z$ ' is
Solution:
two
iv) A figure is said to have rotational symmetry, if the order of rotation is atleast Solution:
two
v) ___ symmetry occurs when an object slides to new position.
Solution:
Translation

Question $2 .$
Say True or False
(i) A rectangle has four lines of symmetry.
(ii) A shape has reflection symmetry if it has a line of symmetry.
(iii) The reflection of the name RANI is INAY.
(iv) Order of rotation of a circle is infinite.
(v) The number 191 has rotational symmetry.
Solution:
(i) False
(ii) True
(iii) False
(iv) True
(v) False

Question $3 .$
Match the following shapes with their number of lines of symmetry.

Solution:

Question 4.

Draw the lines of symmetry of the following

Solution:

Question $5 .$
Using the given horizontal line/vertical line as a line of symmetry, complete each alphabet to discover the hidden word.

Solution:

Question $6 .$

Solution:

Question $7 .$
Complete the other half of the following figures such that the dotted line is the line of Symmetry.

Solution:
Completing the figures about the line of symmetry we get

Question 8.

Find the order of rotation for each of the following

Solution:

Question 9.

A standard die has six faces which are shown below. Find the order of rotational symmetry of each face of a die?

Solution:

Question 10.

What pattern is translated in the given border kolams?

Solution:

Question $11 .$
Which of the following letter does not have a line of symmetry?
(a) $A$
(b) $\mathrm{P}$
(c) $\mathrm{T}$
(d) U
Solution:
(b) $\mathrm{P}$

Question 12 .
Which of the following is a symmetrical figure?

Solution:

(c)

Question $13 .$
Which word has a vertical line of symmetry?
(a) DAD
(b) NUN
(c) MAM
(d) EVE
Solution:
(c) MAM

Question 14.
The order of rotational symmetry of 818 is
(a) 1
(b) 2
(c) 3
(d) 4
Solution:
(b) 2

Question $15 .$
The order of rotational symmetry of $^{*}$ is
(a) 5
(b) 6
(c) 7
(d) 8
Solution:
(a) 5