There are 19
Two triangles can be formed by the diagonals of one vertex of a four-sided polygon.
It is 18 diagonals
A 4 sided quadrilateral has 2 diagonals.
There are 170 diagonals
5
36
In a polygon with n sides, the number of diagonals that can be drawn from one vertex is given by the formula (n-3). Therefore, in a 35-sided polygon, you can draw (35-3) = 32 diagonals from one vertex.
17
7
54
9
90