How to get the diagonal length of a square

- How to find the diagonal length of a square
- How to calculate the diagonal length of a square
- How to determine the diagonal length of a square
- How to figure out the diagonal length of a square
- How to find out the diagonal length of a square
- How to measure diagonal length of a square
- How to figure diagonal length of a square
- How to length of triangle
- How to find square of triangle