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Polygon names


The polygon is a closed plane figure composed by a non specified number of straight line segments that join in pairs at their endpoints. A polygon is regular, when all the sides and internal angles are equal. On the contrary it is irregular.
The polygons are known by the number of sides. A polygon may also be named as n-gon. Example:
1) 4-gon is a polygon with 4 sides;
2) 6-gon is a polygon with 6 sides.
3) 20-gon is a polygon with 20 sides.
How to calculate the elements of Regular polygon.

Regular polygon

Polygon names
Sides Names
3triangle
4quadrilateral
5pentagon
6hexagon
7heptagon
8Octagon
9nonagon, enneagon
10decagon
11undecagon, hendecagon
12dodecagon
13tridecagon, triskaidecagon
14tetradecagon, tetrakaidecagon
15pentadecagon, pentakaidecagon
16hexadecagon, hexakaidecagon
17heptadecagon, heptakaidecagon
18octadecagon, octakaidecagon
19enneadecagon, enneakaidecagon
20Icosagon
21icosikaihenagon, icosihenagon
22icosikaidigon
23icosikaitrigon
24icosikaitetragon
25icosikaipentagon
26icosikaihexagon
27icosikaiheptagon
28icosikaioctagon
29icosikaienneagon
30triacontagon
31triacontakaihenagon
32triacontakaidigon
33triacontakaitrigon
34triacontakaitetragon
35triacontakaipentagon
36triacontakaihexagon
37triacontakaiheptagon
38triacontakaioctagon
39triacontakaienneagon
40tetracontagon
50pentacontagon
60hexacontagon
70heptacontagon
80octocontagon
90eneacontagon
100hectogon, hecatontagon
1000chiliagon
10.000miriagon
100.000decemiriagon




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