None, since there is no such shape as a hendagon. You may wish to check and correct your spelling and resubmit the question.
11 Sides
the prefix of hendagon is henda(i am guessing)
A two dimentional shape with 1 side and 1 vertex.
A pentacontagon has 50 vertices (not vertices's!).
16 vertices.16 vertices.16 vertices.16 vertices.
8 vertices
Eight vertices
it has 30 vertices
5 vertices
11 vertices
8 vertices
There are 10 vertices.