Name the polygon that has ten vertices.

Sides

Name

n

N-gon

3

Triangle

4

Quadrilateral

5

Pentagon

6

Hexagon

7

Heptagon

8

Octagon

10

Decagon

12

Dodecagon

Names for other polygons have been proposed.

Sides

Name

9

Nonagon, Enneagon

11

Undecagon, Hendecagon

13

Tridecagon, Triskaidecagon

14

Tetradecagon, Tetrakaidecagon

15

Pentadecagon, Pentakaidecagon

16

Hexadecagon, Hexakaidecagon

17

Heptadecagon, Heptakaidecagon

18

Octadecagon, Octakaidecagon

19

Enneadecagon, Enneakaidecagon

20

Icosagon

30

Triacontagon

40

Tetracontagon

50

Pentacontagon

60

Hexacontagon

70

Heptacontagon

80

Octacontagon

90

Enneacontagon

100

Hectogon, Hecatontagon

1,000

Chiliagon

10,000

Myriagon

To construct a name, combine the prefix+suffix

Sides

Prefix

20

Icosikai ...

30

Triacontakai ...

40

Tetracontakai ...

50

Pentacontakai ...

60

Hexacontakai ...

70

Heptacontakai ...

80

Octacontakai ...

90

Enneacontakai ...