# Regular Undecagon

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### Regular Undecagon -- from Wolfram MathWorld

Mathematica » The #1 tool for creating Demonstrations and anything technical. Wolfram|Alpha » Explore anything with the first computational knowledge engine.

### Undecagon - math word definition - Math Open Reference

me say that the word undecagon is incorrect because it is derived from Latin (una - "one") whereas By that rule it would be called a hendecagon avoid confusion simply call it an 11-gon.

### What is the internal angle of a regular Undecagon?

A regular enneacontagon is represented by Schläfli symbol {90} and can be constructed as a truncated tetracontapentagon, t{45}, which alternates two types of edges.

### Hendecagon - Wikipedia

In geometry, a hendecagon (also undecagon or endecagon) or 11-gon is an eleven-sided polygon. (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".

### Hendecagon | Math Wiki | Fandom

In geometry, a hendecagon (also undecagon) is an 11-sided e name "undecagon" is often seen as incorrect, but the matter is up for e Greek prefix 'hen', is preferable to the Latin 'uni' or 'un'. A regular hendecagon has internal angles of 147. 27 degrees.

### Regular hendecagon - db0nus869y26v.

In geometry, a hendecagon (also undecagon or endecagon) or 11-gon is an eleven-sided polygon. (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".) Regular hendecagon. A regular hendecagon is represented by Schläfli symbol {11}.

### Decagon - Wikipedia

The regular decagon has Dih 10 symmetry, order ere are 3 subgroup dihedral symmetries: Dih 5 , Dih 2 , and Dih 1 , and 4 cyclic group symmetries: Z 10 , Z 5 , Z 2 , and Z 1 . These 8 symmetries can be seen in 10 distinct symmetries on the decagon, a larger number because the lines of reflections can either pass through vertices or edges.

### Polygons - Decagons - Cool Math

Polygons - Decagons - Cool Math has free online cool math lessons, cool math games and fun math ally clear math lessons (pre-algebra, algebra, precalculus), cool math games, online graphing calculators, geometry art, fractals, polyhedra, parents and teachers areas too.