The names of the polygons 1-100

1 monogon (Monogon and digon can only

2 digon be used in rather special

3 trigon, triangle circumstances.

Trigon and

4 tetragon, quadrilateral tetragon are alternatives to

5 pentagon triangle and quadrilateral;

6 hexagon the adjectival forms trigonal

7 heptagon and tetragonal are more common.)

8 octagon

9 enneagon

10 decagon

11 hendecagon

12 dodecagon

13 triskaidecagon

14 tetrakaidecagon, tetradecagon

15 pentakaidecagon, pentadecagon

16 hexakaidecagon, hexadecagon

17 heptakaidecagon

18 octakaidecagon

19 enneakaidecagon

20 icosagon

21 icosikaihenagon, icosihenagon

22 icosikaidigon

23 icosikaitrigon

24 icosikaitetragon

25 icosikaipentagon

26 icosikaihexagon

27 icosikaiheptagon

28 icosikaioctagon

29 icosikaienneagon

30 triacontagon

31 triacontakaihenagon

32 triacontakaidigon

33 triacontakaitrigon

34 triacontakaitetragon

35 triacontakaipentagon

36 triacontakaihexagon

37 triacontakaiheptagon

38 triacontakaioctagon

39 triacontakaienneagon

40 tetracontagon

41 tetracontakaihenagon

42 tetracontakaidigon

43 tetracontakaitrigon

44 tetracontakaitetragon

45 tetracontakaipentagon

46 tetracontakaihexagon

47 tetracontakaiheptagon

48 tetracontakaioctagon

49 tetracontakaienneagon

50 pentacontagon ...

60 hexacontagon ...

70 heptacontagon ...

80 octacontagon ...

90 enneacontagon ...

100 hectogon, hecatontagon

1000 chiliagon

10000 myriagon