Symmetry Test

Result

Symmetry Test - 13

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Weekly Quiz Competition

Question 1
1 / -0

Which of the following shapes has more than $$1$$ line of symmetry?

A

B

C

D

Solution
Question 2
1 / -0

Select the CORRECT match.

A
P

B
Q

C
R

D
S

Solution

Hence, D is the correct answer.
Question 3
1 / -0

How many of the following alphabets has atleast one line of symmetry?
ACDFGHIL

A
$$4$$

B
$$5$$

C
$$3$$

D
$$6$$

Solution

Alphabets having atleast one line of symmetry are A, C, D, H, I i.e., $$5$$ in number.
Question 4
1 / -0

What is the smallest number of squares that must be added so that the line PQ becomes a line of symmetry?

A
$$5$$

B
$$3$$

C
$$4$$

D
$$8$$

Solution

.Line of symmetry is defined as it divides the figure into two equal mirror halves.
From the above figure we can say that $$4$$ number of squares must be added so that the line PQ becomes a line of symmetry.
Hence the correct answer is option C.
Question 5
1 / -0

How many of the following letters have atleast one vertical line of symmetry?

A
$$5$$

B
$$4$$

C
$$3$$

D
$$2$$

Solution

Line of symmetry is defined as the line which divides the figure into two equal mirror halves.
So from the figure we can conclude that letters I,A and O are having one vertical line of symmetry
Hence the correct answer is option C.
Question 6
1 / -0

Which of the following figures has more than one line of symmetry?

A

B

C

D

Solution

Except Fig.(D), rest all other figures have only one line of symmetry.
Question 7
1 / -0

Which of the following shows a symmetric figure?

A

B

C

D

Solution

In fig.(B) diagonal itself is the line of symmetry. Other given figures do not have any line of symmetry.
Hence fig.(B) shows a symmetric figure.
Question 8
1 / -0

Number of line of symmetry of n sided regular polygon is

A
n

B
n + 1

C
n - 1

D
2n

Solution

A line of symmetry can be defined as the axis or imaginary line that passes through the center of the shape or object and divides it into identical halves.
The number of lines of symmetry in a regular polygon is equal to the number of sides.
$$\therefore$$ Number of lines symmetry of $$n$$ sided regular polygon is $$n.$$
Question 9
1 / -0

The order of rotation of a line segment is

A
4

B
3

C
1

D
2

Solution

Order of rotation is termed as number of times a figure looks the same in complete, $$360^\circ$$ rotation and it can also be calculated using angle of rotation.
Order of rotation of a figure can be given by$$\dfrac{360^\circ}{\text{angle of rotation}}$$

The angle of rotation of a line segment is $$180^\circ$$.

So the order of rotation of a line segment $$=\dfrac{360^\circ}{180^\circ}$$
$$= 2$$
Question 10
1 / -0

A scalene triangle has

A
no line of symmetry

B
one line of symmetry

C
two lines of symmetry

D
three lines of symmetry

Solution

A scalene triangle has three unequal sides and thus, has no line of symmetry.

Hence, option A is correct.