What is a 13 sided dice called?

What do you call a 12 sided die?

In geometry, a dodecagon or 12-gon is any twelve-sided polygon.

Dodecagon.

Regular dodecagon
Internal angle (degrees) 150°
Dual polygon Self
Properties Convex, cyclic, equilateral, isogonal, isotoxal

What is a Googolgon?

googolgon (plural googolgons) (geometry) A polygon with a googol number of sides (virtually indistinguishable from a circle)

What is a shape with 21 sides called?

An icosikaihenagon is a 21-sided polygon. Most mathematicians and mathematics students would simply write “21-gon” to name it.

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