1000000000000
42
42
Tetracontakaidigon.
A tetracontakaidigon has 42 sides. The name comes from the Greek roots where "tetra-" means four, "conta-" refers to twenty, and "gonia" means angles, indicating the polygon's 42-sided nature.
A 42-sided polygon.
tetracontakaidigon
It is called a tetracontakaidigon.
It is a 42 sided polygon and has: 0.5*(422-(3*42)) = 819 diagonals
a crescent has 19 sides
how many sides does an polygonshave
10 sides.
There is no formula for how many sides there are in a polygon; the name of the polygon shows how many sides it has.