Free Symmetry 02 Practice Test - 6th grade
Question 1
Meenakshi is interested in arts and one day while painting on a paper she discovered that the paper upon folding across a line overlapped exactly with the other part. This line could be termed as
Line of separation
Line of symmetry
Line of division
All of these
SOLUTION
Solution : B
When we are able to fold a picture in a half such that the left and right halves match exactly then we say that the picture has a line of symmetry.
Question 2
The following figure is:-
Asymmetrical
Symmetrical
Congruent
Unsymmetrical
SOLUTION
Solution : A
Asymmetrical figures are those which do not have a line of symmetry and hence are not symmetrical. As in the above figure, there is no line of symmetry, the given figure is asymmetrical.
Question 3
A boy was cutting paper with scissors; he suddenly looked at scissors and thought that it might have symmetry. Which of the following options correctly shows the line of symmetry?
Scissors do not have any symmetry.
SOLUTION
Solution : A
Line of symmetry is a line with respect to which the two halves are mirror images of each other. We see that in the correct option, the line acts as a line of symmetry as the halves are mirror images of each other with respect to that line.
Question 4
Which of the following letters does not have a line of symmetry?
K
S
M
H
SOLUTION
Solution : B
The letter 'S' does not have a line of symmetry as none of the lines divide it into two halves which are mirror images of each other.
Question 5
Which of the following alphabets has two lines of symmetry?
U
X
B
A
SOLUTION
Solution : B
The alphabet 'X' has two lines of symmetry.
and 'A' 'B' and 'U' has only one line of symmetry as shown below.
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Question 6
Which of the following have two lines of symmetry?
Letter 'T'
Cricket bat
Letter 'V'
Letter 'O'
SOLUTION
Solution : D
The letter 'V' has only one line of symmetry.
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Cricket bat has only one line of symmetry.
Letter 'T' also has one line of symmetry.
Letter 'O' also has two lines of symmetry.
Question 7
Which of the following figures have more than two lines of symmetry?
Circle
Isosceles trapezium
Isosceles triangle
SOLUTION
Solution : A
A circle has more than two lines of symmetry.
An isosceles trapezium has only one line of symmetry.
An isosceles triangle has only one line of symmetry.
A parallelogram has only one lines of symmetry.
Question 8
How many lines of symmetry does the regular octagon shown below has?
Two
Four
Six
Eight
SOLUTION
Solution : D
Regular octagon has eight lines of symmetry as shown below.
Question 9
Which of the following alphabets look the same on reflection in a vertical mirror?
P
R
B
T
SOLUTION
Solution : D
Except 'T' all the other options would look different after reflection. For example:
But 'T' will look the same on reflection in a vertical mirror as shown below.
Question 10
If a line segment of length 10 cm is reflected in a line of symmetry (mirror), then the reflection is a line of length ____.
5 cm
10 cm
15 cm
20 cm
SOLUTION
Solution : B
The image formed in a plane mirror is of the same length of the object. So, the image of the line would remain a line and there would be no change in its length.
∴ refelction is a line of length 10cm.