What are the roman numarals for 1-20?

Answer 1

1 = i 11 = xi

2 = ii 12 = xii

3 = iii 13 = xiii

4 = iv 14 = xiv

5 = v 15 = xv

6 = vi 16 = xvi

7 = vii 17 = xvii

8 = viii 18 = xviii

9 = ix 19 = xix

10 = x 20 = xx