There are 90 diagonals in a 15-sided polygon.
It has 40 diagonals.Improved Answer:-Using the formula for diagonals of a polygon: 0.5*(442-132) = 902 diagonals
A polygon with n sides has n*(n - 3)/2 diagonals. So n = 23 gives 23*20/10 = 230 diagonals
it has 19 sides (:
The number of triangles formed by the diagonals of a 21 sided polygon is C(21,3) = 21x20x19/3x2x1 = 1,330.
That polygon is called a "triangle". It has no diagonals.
how many diagonals are there iin a polygon of 11 sides
There are 90 diagonals in a 15-sided polygon.
An 11 sided polygon has 44 diagonals.
A four-sided polygon has two diagonals.
There are 170 diagonals
It has 35 diagonals
There are 77 diagonals
A polygon with 14 diagonals will have 7 sides
It has 40 diagonals.Improved Answer:-Using the formula for diagonals of a polygon: 0.5*(442-132) = 902 diagonals
153 diagonals.
A 7 sided polygon has 14 diagonals