List of n-gons by Greek numerical prefixes

SidesNames
7heptagonseptagon
8octagon
9enneagonnonagon
10decagon

What is a 11 sided shape?

(The name hendecagon, from Greek hendeka “eleven” and –gon “corner”, is often preferred to the hybrid undecagon, whose first part is formed from Latin undecim “eleven”.) In geometry, a hendecagon (also undecagon or endecagon) or 11-gon is an eleven-sided polygon.

What’s a trillion sided shape called?

Regular megagon
Megagon

Regular megagon
Coxeter diagram
Symmetry groupDihedral (D1000000), order 2×1000000
Internal angle (degrees)179.99964°
Dual polygonSelf

What is shape called that has nine sides?

shape with nine sides. In geometry, a nonagon (/ˈnɒnəɡɒn/) or enneagon (/ˈɛniəɡɒn/) is a nine-sided polygon or 9-gon.

What is a fourteen sided shape called?

Jump to navigation Jump to search. In geometry, a tetradecagon or tetrakaidecagon or 14-gon is a fourteen-sided polygon. Sep 27 2019

What is a thirty two sided shape?

In geometry, a triacontadigon (or triacontakaidigon) or 32-gon is a thirty-two-sided polygon. In Greek, the prefix triaconta- means 30 and di- means 2. The sum of any triacontadigon’s interior angles is 5400 degrees. An older name is tricontadoagon.

What is the total degrees of a six sided shape?

In geometry, a hexagon (from Greek ἕξ, hex, meaning “six”, and γωνία, gonía, meaning “corner, angle”) is a six-sided polygon or 6-gon. The total of the internal angles of any simple (non-self-intersecting) hexagon is 720°.

What is a billion sided shape called?

What is a 15 sided shape?

pentadecagon
In geometry, a pentadecagon or pentakaidecagon or 15-gon is a fifteen-sided polygon.

What is a 5 sided shape?

pentagon
In geometry, a pentagon (from the Greek πέντε pente and γωνία gonia, meaning five and angle) is any five-sided polygon or 5-gon. The sum of the internal angles in a simple pentagon is 540°. A pentagon may be simple or self-intersecting. A self-intersecting regular pentagon (or star pentagon) is called a pentagram.