It need not have any.
its called a Icosagon
How many parallel sides has a trapezium?
0 Parallel sides
It has three parallel sides. ;)
It Has 2 Pair of Parallel Sides
20 sides
Twenty.
It is not a solid figure because an icosagon is a polygon with 20 sides
An icosagon has just one flat face because it is a polygon that has 20 sides
An icosagon is a two-dimensional polygon, not a three-dimensional figure. An icosagon has 20 sides - while an icosahedron has 20 faces.
20 sides and 170 diagonals
Icosagon
Icosagon.
icosagon
Icosagon
It is icosagon.it mostly look like a circle
its called a Icosagon