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प्रश्न
What letters of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about a horizontal mirror.
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उत्तर
B, C, D, E, H, I, K, O, X are the letters having a reflectional symmetry about a horizontal mirror.
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संबंधित प्रश्न
The following figures have more than one line of symmetry. Such figures are said to have multiple lines of symmetry.
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| (a) | (b) | (c) |
Identify multiple lines of symmetry, if any, in the following figure.
State the number of lines of symmetry for a regular hexagon figure.
What letters of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about both horizontal and vertical mirrors.
Complete the other half of the following figure such that the dotted line is the line of symmetry.
Find the line of symmetry and the order of rotational symmetry of the given regular polygons and complete the following table and answer the questions given below.
| Shape | Equilateral Triangle  |
Square |
Regular pentagon  |
Regular hexagon  |
Regular octagon  |
| Number of lines of symmetry | |||||
| Order of rotational symmetry |
i) A regular polygon of 10 sides will have _________ lines of symmetry
ii) If a regular polygon has 10 lines of symmetry, then its order of rotational symmetry is ___________
iii) A regular polygon of 'n' sides has _________ lines of symmetry and the order of rotational symmetry is _________
How many lines of symmetry for the following figure
___________ ___________
Draw what the following shapes would look like on a `1/4` turn and half a turn.
| On `1/4` turn | On half turn | |
a)  |
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b)  |
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c)  |
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d)  |
- Which of the above shapes do not look the same on the `1/4` turn?
- Which shapes do not look the same on `1/2` a turn?
An angle has two lines of symmetry.
Draw an isosceles triangle with each of equal sides of length 3 cm and the angle between them as 45°.
