Centre of Rotational Symmetry

Q. How many letters(upper case) in English alphabet have rotational symmetry ?

1. 9
2. 7
3. 13
4. 5

Q.

Question 88
State whether the statement is True or False.
Rotation turns an object about a fixed point which is known as the centre of rotation.

Q.

Which of the following figures has/have both line symmetry and rotational symmetry?

1. Only i

2. i, ii

3. i, ii, iii and iv

4. i, ii and iv

Q. Which of the following object(s) posses Rotational symmetry as well as Line symmetry ?

1. 
2. 
3. 
4. 
5. 

Q.

If the order of symmetry of the first image is ‘A’ and the second image is ‘B’. The value of A + B = ?

1. 2
2. 1
3. 4
4. 3

Q. The letters 'I', 'O', 'X', 'H' have both horizontal and vertical lines of symmetry.

1. True
2. False

Q. How many letters(upper case) in English alphabet have rotational symmetry ?

1. 13
2. 5
3. 9
4. 7

Q.

If the order of symmetry of the first image is ‘A’ and the second image is ‘B’. Find the value of A + B.

___

Q.

Center of rotation of a figure will always be the point of symmetry of that figure. Is the statement True or False?

1. True

2. False

Q. Which of the following object(s) posses Rotational symmetry as well as Line symmetry ?

1. 
2. 
3. 
4. 
5. 

Q. In the word "MATHS" which of the following letter shows rotational symmety as well as line symmetry.

Q. Radial symmetry is same as rotational symmetry.

1. True
2. False

Q. Spider web is an example of radial symmetry.

1. True
2. False

Q.

Is the rule of rotational symmetry can be said correct for a triangle?

Q.

Find the number of letters(upper case) in English alphabet which have rotational symmetry. Answer in terms of a number___

Q. _____=$\frac{{360}^{\circ }}{Orderofrotation}$

1. Centre of rotation
2. Point of rotation
3. Angle of rotation
4. Line of symmetry

Q. How many letters(upper case) in English alphabet have rotational symmetry ?

1. 9
2. 13
3. 5
4. 7

Q.

If the order of symmetry of the first image is ‘A’ and the second image is ‘B’. The value of A + B = ?

1. 3
2. 1
3. 2
4. 4

Q.

Find the number of letters(upper case) in English alphabet which have rotational symmetry. Answer in terms of a number.

___

Q. State if the following statements are true or false. Correct the statement if it is false.
A single removable pulley is a pulley that has its axis of rotation fixed.

1. True
2. False

Q. The letters 'I', 'O', 'X', 'H' have both horizontal and vertical lines of symmetry.

1. False
2. True

Q. Equilateral triangle has both line symmetry and rotational symmetry.

1. False
2. True

Q. Which of the alphabets of the word "DICTIONARY" possess rotational symmetry?