Reflection Symmetry

Q.

Reflection of a point in x - axis will change its ___ coordinate.

Q.

Which of the following letter has rotational symmetry only i.e. there is no line symmetry?

1. Z

2. A

3. s

4. N

Q.

___ cordinate of a point changes during reflection in y - axis.

Q.

Three Collinear points after reflection become Non-Collinear.

1. False

2. True

Q.

Which of the following are reflections of each other?

1. 

2. 

3. 

4. 

Q. (i) What letters of the English alphabet have reflection symmetry about:
a) A Vertical mirror
b) A Horizontal mirror

(ii) <Two friends arguing>

Suraj: If a figure can be folded along any line such that one half superimposes the other, it is known as a symmetric figure.

Ravi: If you can find a line in the figure which divides it into identical parts, then the figure is always symmetric.

Who is correct?
[4 MARKS]

Q. Choose correct statements about reflection symmetry.

1. Point symmetry always exists in a figure having reflection symmetry.
2. Mirror symmetry is same as reflection symmetry.
3. Line of symmetry always exists in reflection symmetry.
4. Mirror line is same as that of line of symmetry.

Q.

Which of the following is correct with respect to reflection symmetry of the letters of English alphabet?

1. Letters A, H, I, M, W have a vertical mirror reflectional symmetry.

2. Letters B, C, D, E, H have a horizontal mirror reflectional symmetry.

3. Letters O, X have both horizontal and vertical mirror reflectional symmetry.

4. All of the statements are correct.

Q.

Parallelogram has one line of symmetry. State whether the given statement is true or false.

1. True

2. False

Q.

The letter $F$has one line of symmetry.

1. True
2. False

Q.

Which kind of symmetry is illustrated in the image below?

1. Line Symmetry

2. Mirror Symmetry

3. Reflection Symmetry

4. All of the above

Q.

Which letter of the following English alphabet has both horizontal and vertical lines of symmetry?

1. $A$

2. $C$

3. $M$

4. $I$

Q.

Give three examples of shapes with no lines of symmetry.

Q.

Which of the following has more than 2 lines of symmetry?

1. ABC

2. AEF

3. BFD, CDE

4. AFE, BFD, CDE

Q.

All human beings exhibit symmetry. Say true or false.

1. True

2. False

Q.

In any polygon, the maximum possible lines of symmetry occur when all the sides and angles of the polygon are equal.

1. True

2. False

Q. The line about which the reflection takes place is known as axis of Reflection.

1. True
2. False

Q.

What is the reflection of the given figure in y - axis?

1. 

2. 

3. 

4. 

Q.

Which of the following figure has only one line of symmetry?

1. Circle

2. Equilateral Triangle

3. Isosceles Trapezium

4. Square

Q. If △ABC having its coordinates at (0, 0), (0, 1) and (1, 0) is reflected along the y-axis and then translated 2 units down, selct the correct image representing all the changes.

1. 
2. 
3. 
4. None of the above

Q. Match the following columns using rule of symmetry.

1. Vertical symmetry
2. Horizontal symmetry
3. No symmetry

Q.

(a) Given that the diagram has 5 lines of symmetry. Draw all the lines of symmetry and then divide the figure into 10 parts. Given here is a part of the diagram. Complete the diagram.

(b) How many lines of symmetry do a polygon with its adjacent sides equal and perpendicular have?
[4 MARKS]

Q. Select the correct reflection transformation for the given figure along x-axis.

1. 
2. 
3. 
4. 

Q. Millie is making paper designs. She folds the paper in half and makes the cuts. Look at the design and find the complete design when she opens the paper.

Q.

Which of the following alphabet has reflectional symmetry?

1. 

2. 

3. 

4. 

Q.

Identify the shapes given below. Check whether they are symmetric or not. Draw the line of symmetry as well.

Q.

Which of the following figure depicts reflectional symmetry?

1. 

2. 

3. 

4. 

Q. Which example shows a reflection of triangle X in the dotted line?

1. Example i
2. Example iii
3. Example ii
4. Example iv

Q.

How many lines of symmetry does this shape have?

1. 4

2. 2

3. Zero

4. 1

Q.

A kite has only one line of symmetry?

1. True
2. False