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Which of the following have both line sy...

Which of the following have both line symmetry and rotational symmetry of order more than 1?

A

A

B

H

C

C

D

Z

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AI Generated Solution

The correct Answer is:
To determine which of the given letters (A, H, C, Z) have both line symmetry and rotational symmetry of order more than 1, we will analyze each letter step by step. ### Step 1: Analyze Letter A - **Line Symmetry**: Letter A has only 1 line of symmetry (vertical line). - **Rotational Symmetry**: Letter A does not have rotational symmetry of order more than 1 (it looks the same only at 360 degrees). - **Conclusion**: A does not meet the criteria. **Hint**: Check how many lines of symmetry a shape has and if it looks the same when rotated. ### Step 2: Analyze Letter H - **Line Symmetry**: Letter H has 2 lines of symmetry (one vertical and one horizontal). - **Rotational Symmetry**: Letter H has rotational symmetry of order 2 (it looks the same when rotated 180 degrees). - **Conclusion**: H meets the criteria. **Hint**: Count the lines of symmetry and see if the shape looks the same when rotated. ### Step 3: Analyze Letter C - **Line Symmetry**: Letter C has only 1 line of symmetry (vertical line). - **Rotational Symmetry**: Letter C does not have rotational symmetry of order more than 1 (it does not look the same at any angle other than 360 degrees). - **Conclusion**: C does not meet the criteria. **Hint**: Remember that a shape must look the same at multiple angles to have rotational symmetry of order more than 1. ### Step 4: Analyze Letter Z - **Line Symmetry**: Letter Z has no lines of symmetry. - **Rotational Symmetry**: Letter Z does not have rotational symmetry of order more than 1 (it does not look the same at any angle). - **Conclusion**: Z does not meet the criteria. **Hint**: A shape must have at least one line of symmetry to be considered for this question. ### Final Conclusion: The only letter that has both line symmetry and rotational symmetry of order more than 1 is **H**. **Final Answer**: H is the correct option.
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MTG IIT JEE FOUNDATION-SYMMETRY-Exercise (Multiple Choice Questions)
  1. Which of the following has no line of symmetry?

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  2. The figure which has two lines of symmetry and rotational symmetry of ...

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  3. The order of rotational symmetry of a circle is

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  4. The least angle of rotation of a regular pentagon

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  5. The order of rotational symmetry of regular octagon is

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  6. Which squares should be shaded to make the given figure symmetric?

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  7. Which of the following does not have a line of symmetry?

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  8. What is the least number of squares that must be added so that the lin...

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  9. What is the least number of squares that must be added so that the lin...

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  10. What is the least number of squares that must be added so that the lin...

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  11. Which of the following have both line symmetry and rotational symmetry...

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  12. Which of the following is incorrect?

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  13. Angle of rotation of an equilateral triangle is

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  14. Order of rotation of a regular pentagon is

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  15. Which of the following letters does not have reflection symmetry about...

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  16. Which of the following figures has 45^@ as angle of rotation?

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  17. The order of rotation of given figure is

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  18. Which of the following letters has rotational symmetry of order more t...

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  19. A figure has angle of rotation of 30^@. Its order of rotation is

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  20. A figure has a rotational symmetry of order more than 1, the angle of ...

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