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The order of rotational symmetry  of ...

The order of rotational symmetry  of an equilateral triangle is (a)   0                               (b) 1 (c)   2                               (d) 3

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RD SHARMA-SYMMETRY-All Questions
  1. Discuss the rotational and line symmetry of the following figure.

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  2. Give the order of rotational symmetry for each of the following fig...

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  3. Name any two figures that have both line symmetry and rotational sy...

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  4. Give an example of a figure that has a line of symmetry but does no...

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  5. Give an example of a geometrical figure which has neither a line of...

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  6. Give an example of a letter of the English alphabet which has (i)  ...

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  7. What is the line of symmetry of a semi-circle? Does it have rotatio...

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  8. Draw, whenever possible, a rough sketch of (i)             A trian...

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  9. Fill in the blanks: Figures, Centre of rotation, Order of rotation, An...

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  10. Give three examples of shapes with no line of symmetry.

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  11. Which of the following has only 2 lines of symmetry? (a)   Equilate...

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  12. Which of the following is/are point symmetric? (a)   Rectangle     ...

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  13. Which of the following has an infinite number of lines of symmetry?...

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  14. Which of the following is point symmetric? (a)   Equilateral triang...

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  15. The number of lines of symmetry of a square is (a)   2          ...

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  16. The number of lines of symmetry of a rectangle is (a)   2          ...

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  17. The number of lines of symmetry of an equilateral triangle is (a)  ...

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  18. The order of rotational symmetry  of an equilateral triangle is (a)...

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  19. The rectangle has rotational symmetry of order (a)   1             ...

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  20. The number of lines of symmetry of an isosceles triangle is (a)   0...

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