There is no such polygon that has 95 diagonals because a 15 sided polygon has 90 diagonals and a 16 sided polygon has 104 diagonals.
It depends if the polygon is convex or concave but if it is a regular polygon it would have 560
A regular 100-sided polygon has 4,850 diagonals. You can either check this for yourself, or use the formula provided in Related Questions below.
A regular polygon.
That polygon is called a "triangle". It has no diagonals.
A regular octadecagon (an eighteen sided polygon) would have nine diagonals.
There is no such polygon that has 95 diagonals because a 15 sided polygon has 90 diagonals and a 16 sided polygon has 104 diagonals.
20.
pentagon
No, as long as the polygon is convex.
It has 9 sides and it can be an regular or a irregular polygon which is called a nonagon Check: 0.5*(81-27) = 27 diagonals
It depends if the polygon is convex or concave but if it is a regular polygon it would have 560
A regular 100-sided polygon has 4,850 diagonals. You can either check this for yourself, or use the formula provided in Related Questions below.
Hexagon
A regular polygon.
That polygon is called a "triangle". It has no diagonals.
how many diagonals are there iin a polygon of 11 sides