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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:
Given the line of symmetry, find the other hole:
The following figures have more than one line of symmetry. Such figures are said to have multiple lines of symmetry.
 |
 |
 |
| (a) | (b) | (c) |
Identify multiple lines of symmetry, if any, in the following figure.
Copy the figure given here.
Take any one diagonal as a line of symmetry and shade a few more squares to make the figure symmetric about a diagonal. Is there more than one way to do that? Will the figure be symmetric about both the diagonals?
State the number of lines of symmetry for a scalene triangle figure.
Complete the other half of the following figure such that the dotted line is the line of symmetry.
Look at the following shapes:
a) Find out which of these figures look the same in a `1/3` turn. Mark them with (✓).
Look at the following shapes:
b) Which are the ones that will not look the same after the `1/3` turn? Mark them with (X).
Draw an isosceles triangle with each of equal sides of length 3 cm and the angle between them as 45°.
