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CBSE Questions for Class 6 Maths Symmetry Quiz 1 - MCQExams.com
CBSE
Class 6 Maths
Symmetry
Quiz 1
State whether true or false:
The letter F has no line of symmetry.
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0%
True
0%
False
Explanation
True, the letter F has no line of symmetry. None of the lines pass through the letter F to get a symmetry.
Which of the following alphabet has many lines of symmetry?
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0%
A
0%
O
0%
Q
0%
B
Explanation
O has infinite lines of symmetry.
State whether true or false:
The letter B has one line of symmetry.
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0%
True
0%
False
Explanation
True, The letter B has one line of symmetry. The horizontal line passing through the middle of letter B is line of symmetry.
State whether true or false:
The letter O has only two lines of symmetry.
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0%
True
0%
False
Explanation
False,
The letter O has many lines of symmetry. Any line passing through the centre of O, will be its line of symmetry.
State whether true or false:
The letter N has one line of symmetry.
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0%
True
0%
False
Explanation
False. Because none of the lines pass through the letter N to get a symmetry.
State whether true or false:
The letter D has two lines of symmetry.
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0%
True
0%
False
Explanation
False. D has only one line of symmetry, if a horizontal line passes through the middle of the letter D then it divides D in two equal parts.
State whether the statement is true (T) or false (F).
A right triangle can have at most one line of symmetry.
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0%
True
0%
False
Explanation
The given statement is true (T).
A right triangle can have at most one line of symmetry.
State whether the following statement is true (T) or false(F):
The letter N has one line of symmetry.
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0%
True
0%
False
Explanation
The given statement is false as the letter N has no line of symmetry.
A line of symmetry divides a figure into two identical parts.
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0%
True
0%
False
Explanation
The given statement is true.
A line of symmetry divides a figure into two identical parts.
Which of the following figure(s) have only one line of symmetry?
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0%
0%
0%
0%
Explanation
Resulting figure of option B
Only Option B has one line of symmetry that is vertical line of symmetry rest all have more than one line of symmetry
Which of the following alphabet has horizontal line of symmetry ?
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0%
B
0%
E
0%
H
0%
All of the above
Explanation
As shown in figure we have horizontal line of symmetry or figure is symmetrical above the horizontal line passing through the the
B
,
H
,
E
Which of the following alphabet has vertical line of symmetry?
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0%
A
0%
B
0%
Q
0%
E
Explanation
Option A is correct because Left side of line is the mirror image of right one and vise versa.
The number of lines of symmetry for a semicircle is/are
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0%
1
0%
2
0%
3
0%
4
Explanation
There is one line of symmetry as shown in figure i.e. Vertical line of symmetry
The number of lines of symmetry in a ruler is
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0%
0
0%
1
0%
2
0%
4
Explanation
The number of lines of symmetry in a ruler is
2.
In the image shown,the two lines divide the ruler into two equal parts.
The number of lines of symmetry in a divider is
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0%
0
0%
1
0%
2
0%
3
Explanation
The number of lines of symmetry in a divider is 1 as shown in figure
The number of lines of symmetry in a parallelogram are
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0%
one
0%
zero
0%
two
0%
four
Explanation
Option B is correct.
because, A general parallelogram has no lines of symmetry. Some special ones (rhombus, rectangle, square) have lines of symmetry. However, a parallelogram does have a crucial symmetry - the half-turn around the central point where they
two
diagonals intersect.
The number
of lines of symmetry of the given figure is
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0%
6
0%
12
0%
Infinite
0%
Finite
Explanation
The lines through the center of the circle and passing through
(
E
,
B
)
,
(
F
,
C
)
,
or
(
A
,
D
)
are three lines of symmetry. The lines through the midpoints of arcs
E
F
and
C
B
,
F
A
and
D
C
and
A
B
through the center are the other three lines of
symmetry. In total
6
The number of lines of symmetry for a line segment are _____.
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0%
Is infinite
0%
One
0%
Two
0%
None
Explanation
If AB is a line segment, then a line l, which is perpendicular bisector of AB, is the line of symmetry.
The number of line symmetries that the given figure have---
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0%
1
0%
3
0%
2
0%
0
Explanation
The above-mentioned figure has no lines of symmetry as it is not an equilateral triangle or symmetrical triangle. It has 0 lines of symmetry. As it is
s
c
a
l
e
n
e
triangle
Hence option D is the correct answer.
The number of lines of symmetry in compasses is
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0%
0
0%
1
0%
2
0%
3
Explanation
The number of lines of symmetry in compasses is
0.
How many lines of symmetry does the parallelogram have?
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0%
2
0%
3
0%
4
0%
None of these
Explanation
The number of lines of symmetry of a parallelogram depends on the type of parallelogram. A non-special parallelogram does not have any lines of symmetry. This includes any quadrilateral with two pairs of parallel and equal sides, except for rectangles, squares and rhombuses.
A rectangle is a parallelogram with four right angles. This property allows it to have two lines of symmetry.
A rhombus is a parallelogram with four equal sides. The number of lines of symmetry of a rhombus depends on whether it is a square or not. If it has four right angles, the rhombus is a square and thus has four lines of symmetry. If not, the rhombus only has two lines of symmetry.
So the correct answer is option D.
The number of capital letters of the English alphabets having both horizontal and vertical lines of symmetry are ------.
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0%
0
0%
1
0%
4
0%
6
Explanation
We know that in A there is only vertical symmetry and in B there is only horizontal symmetry. Only H, I, O, X have both vertical and horizontal symmetries. The number of capital letters of the English alphabets having both horizontal and vertical lines of symmetry is 4 (H, I, O, X).
So, option C is the correct answer.
State True or False.
A
45
0
−
45
0
−
90
0
set square and a protractor have the same number of lines of symmetry.
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0%
True
0%
False
Explanation
⇒
A
45
o
−
45
o
−
90
o
set-square is an isosceles right angled triangle and thus has one line of symmetry.
⇒
A protractor also has only one line of symmetry along the angle of
90
o
.
∴
The given statement is true.
The number of lines of symmetry in a picture of Taj Mahal is ______.
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0%
1
0%
2
0%
0
0%
3
Explanation
If you drew a line down the middle of the picture, you would notice that each side of the Taj Mahal looks exactly the same. This means the building has one line of symmetry. Symmetry is when an object looks the exact same on one side as the other.
So option A is the correct answer.
Every right triangle can have at most one line of symmetry.
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0%
True
0%
False
Explanation
An isosceles right-angled triangle has only one line of symmetry.
But, a
scalene
right-angled triangle has no lines of symmetry.
So, we can say that, a right triangle can have at most one line of symmetry.
So option
A
is the correct answer.
A
45
0
−
45
0
−
90
0
set square has ----- line/lines of symmetry.
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0%
1
0%
0
0%
2
0%
None
Explanation
A line of symmetry is a line that cuts a shape exactly in half.
So,
45
∘
−
45
∘
−
90
∘
set sqaure has
1
line of symmetry.
So,
A
is the correct option.
The digit having only one line of symmetry is ______ .
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0%
0
0%
3
0%
5
0%
9
Explanation
Symmetry is the property of shapes which when flipped looks identical to it's original shape. A
line of symmetry is a line that divides the given shape into identical parts. 0 has
two lines of symmetry. It is symmetrical over both horizontal and vertical axis.
3 has one line of symmetry. Remaining
numbers do not have any lines of symmetry.
So option B is the correct answer.
The number of lines of symmetry in a
30
∘
−
60
∘
−
90
∘
set square is
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0%
0
0%
1
0%
2
0%
3
Explanation
This set square shows scalene triangle which has no line symmetry.
If a rectangle has more than two lines of symmetry, then it must be a square.
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0%
True
0%
False
Explanation
A rectangle has only 2 lines of symmetry. But a square has 4 lines of symmetry. So if a rectangle has more than 2 lines of symmetry then it is a square.
So option A is the correct answer.
How many lines of symmetry are there in the arrow A?
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0%
0
0%
1
0%
2
0%
3
Explanation
the is only
1
line of symmetry horizontal line of symmetry
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