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प्रश्न
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 _________
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उत्तर
| Shape | Equilateral Triangle |
Square |
Regular pentagon |
Regular hexagon |
Regular octagon |
| Number of lines of symmetry | 3 | 4 | 5 | 6 | 8 |
| Order of rotational symmetry | 3 | 4 | 5 | 6 | 8 |
i) A regular polygon of 10 sides will have 10 lines of symmetry
ii) If a regular polygon has 10 lines of symmetry, then its order of rotational symmetry is 10
iii) A regular polygon of 'n' sides has n lines of symmetry and the order of rotational symmetry is n
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संबंधित प्रश्न
Copy the figure with punched holes and find the axes of symmetry for the following:
Copy the figure with punched holes and find the axes of symmetry for the following:
Copy the figure with punched holes and find the axes of symmetry for the following:
In the given figure, the mirror line (i.e., the line of symmetry) is given as a dotted line. Complete given figure performing reflection in the dotted (mirror) line. (You might perhaps place a mirror along the dotted line and look into the mirror for the image). Are you able to recall the name of the figure you complete?
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 circle figure.
What other name can you give to the line of symmetry of an isosceles triangle?
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?
Draw an isosceles triangle with each of equal sides of length 3 cm and the angle between them as 45°.
Given the line of symmetry, find the other hole:
