 # Symmetry

15. The order of rotational symmetry of the following figure given below is

• (A) 4
• (B) 8
• (C) 6
• (D) Infinitely many

14. The order of rotational symmetry in the following figure is

• (A) 4
• (B) 2
• (C) 1
• (D) Infinitely many

13. The number of lines of symmetry in a rhombus is

• (A) 4
• (B) 2
• (C) 1
• (D) Infinitely many

12. The order of rotational symmetry of a rhombus is

• (A) 4
• (B) 3
• (C) 2
• (D) 1

11. A triangle that has one line of symmetry but lacks rotational symmetry is

• (A) Equilateral triangle
• (B) Scalene triangle
• (C) Isosceles triangle
• (D) None of these

10. A triangle that has neither a line of symmetry nor a rotational symmetry is

• (A) Equilateral triangle
• (B) Scalene triangle
• (C) Isosceles triangle
• (D) None of these

9. Which capital letters of English alphabets has one line of symmetry, but they interchange to each other when rotated through 180°?

• (A) B and E
• (B) N and M
• (C) M and W
• (D) P and R

8. The English letter H has a rotational symmetry of order

• (A) 4
• (B) 0
• (C) 2
• (D) 3

7. The English letter N has a rotational symmetry of order

• (A) 0
• (B) 4
• (C) 2
• (D) 1

6. The English letter S has a rotational symmetry of order

• (A) 4
• (B) 5
• (C) 2
• (D) 0

5. The English letter Z has a rotational symmetry of order

• (A) 0
• (B) 3
• (C) 2
• (D) 4

4. Order of rotational symmetry of a rectangle is

• (A) 0
• (B) 3
• (C) 2
• (D) 4

3. Order of rotational symmetry of a circle is

• (A) 0
• (B) 3
• (C) 2
• (D) 4

2. Order of rotational symmetry in the following figure is

• (A) 6
• (B) 3
• (C) 8
• (D) None of these

1. Order of rotational symmetry of a semi-circle is

• (A) 0
• (B) 2
• (C) 1
• (D) None of these