Class 7 Exam > Class 7 Questions > Letter ‘A’ of the English alphabe...
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Letter ‘A’ of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about.
- a)a vertical mirror
- b)both
- c)a horizontal mirror
- d)None of these
Correct answer is option 'A'. Can you explain this answer?
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Letter ‘A’ of the English alphabet have reflectional symme...
Vertical mirror – A, H, I, M, O, T, U, V, W, X and Y
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Letter ‘A’ of the English alphabet have reflectional symme...
Understanding Reflectional Symmetry
Reflectional symmetry occurs when one half of a shape is a mirror image of the other half. In the case of the letter 'A', we can analyze its symmetry by considering how it appears when reflected in a mirror.
Vertical Mirror Symmetry
- The letter 'A' has a vertical line of symmetry.
- If you draw a vertical line down the center of the letter 'A', both sides (the left and right) mirror each other perfectly.
- This means that if you were to reflect 'A' in a vertical mirror, it would look the same on both sides.
Horizontal Mirror Symmetry
- The letter 'A does not exhibit horizontal symmetry.
- If you were to reflect 'A' in a horizontal mirror (top to bottom), the top and bottom parts do not match.
- The apex of 'A' would not align with the base, thus breaking the symmetry.
Conclusion
- The correct answer is option 'A', indicating that the letter 'A' has reflectional symmetry about a vertical mirror.
- It is crucial to differentiate between vertical and horizontal symmetry to understand the concept fully.
Understanding these principles of symmetry can aid in recognizing patterns in shapes and letters, which is vital in various fields like art, design, and mathematics.
Reflectional symmetry occurs when one half of a shape is a mirror image of the other half. In the case of the letter 'A', we can analyze its symmetry by considering how it appears when reflected in a mirror.
Vertical Mirror Symmetry
- The letter 'A' has a vertical line of symmetry.
- If you draw a vertical line down the center of the letter 'A', both sides (the left and right) mirror each other perfectly.
- This means that if you were to reflect 'A' in a vertical mirror, it would look the same on both sides.
Horizontal Mirror Symmetry
- The letter 'A does not exhibit horizontal symmetry.
- If you were to reflect 'A' in a horizontal mirror (top to bottom), the top and bottom parts do not match.
- The apex of 'A' would not align with the base, thus breaking the symmetry.
Conclusion
- The correct answer is option 'A', indicating that the letter 'A' has reflectional symmetry about a vertical mirror.
- It is crucial to differentiate between vertical and horizontal symmetry to understand the concept fully.
Understanding these principles of symmetry can aid in recognizing patterns in shapes and letters, which is vital in various fields like art, design, and mathematics.
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Letter ‘A’ of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about.a)a vertical mirrorb)bothc)a horizontal mirrord)None of theseCorrect answer is option 'A'. Can you explain this answer?
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