11
Hendecagon.
A undecagon has 44 diagonals. A dodecagon has 54 diagonals. An octagon has 20 diagonals. A heptagon has 14 diagonals.
2 diagonals
It has 2 Diagonals!!!
there are six
The hendecagon is a polygon with eleven sides.
A hendecagon has 11 lines of symmetry.
A hendecagon can have upto 5 pairs of parallel lines.
A right hendecagon can have no parallel sides because there are eleven sides to a hendecagon. It is not a requirement that there be any pairs of parallel sides in an irregular hendecagon, although there could be one or more pairs.
11Eleven.
11
They have none
11 vertices
11 edges
Every polygon has the same number of angles as it has sides.In the case of the hendecagon, that's eleven.
It has 1,345,890 diagonals