Exercise 15.4
1 Some english alphabets have fascinating symmetrical structures. Which capital letters have one of symmetry (like E)? Which capital letters have rotational symmetry of order2 (like I)?
Fill the following table, thinking along such lines
| Alphabets | Line symmetry | Number of lines symmetry | Rotational symmetry | Order of rotational symmetry |
|---|---|---|---|---|
| Z | No | 0 | Yes | 2 |
| S | ||||
| H | ||||
| O | ||||
| E | Yes | 1 | No | - |
| N | ||||
| C |