Question 13 Marks
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.
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 _________
| Shape | Equilateral Triangle ![]() | Square![]() | Regular pentagon ![]() | Regular hexagon ![]() | Regular octagon ![]() |
| Number of lines of symmetry | |||||
| Order of rotational 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 _________
Answer
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
View full question & answer→| 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 |
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






