Number of triangles that can be made using the vertices of a polygon of 10 sides as their vertices and having exactly one side common with the polygon is 10k, then k =

by using the vertices of a regular polygon of 12 sides,Pentagon's are formed.then no of Pentagons having no side common with the given polygon

Consider a polygon of sides 'n' which satisfies the equation 3*.^(n)P_(4)=.^(n-1)P_(5) . Q. Number of quadrilaterals thatn can be formed using the vertices of a polygon of sides 'n' if exactly 1 side of the quadrilateral in common with side of the n-gon, is

Find the number of diagonals of a polygon of 10 sides.

There is a 25 sided polygon (not necessarily regular) inscribed in a circle. The maximum number of pentagons that can be made by using the vertices of the polygon is ? The maximum number of octagons that can be made by using the vertices of the polygon such that A_5, A_8& A_13 are never used while A_10 and A_20 are always used is ? The maximum number of triangles that can be made by using the vertices of the polygon such that there are atleast two but unequal number of vertices of the polygon between any two vertex of the triangle

Consider a plygon of sides 'n' which satisflies the equation 3. .^(n)p_(4) = .^(n-1)p_(5) Number of quadrilaterals that can be made using the vertices of the polygon of sides 'n' if exactly two adjacent side of the quadrilateral are common to the sides of polygon is

Consider a polygon of sides 'n' which satisfies the equation 3*.^(n)P_(4)=.^(n-1)P_(5) . Q. Number of quadrilaterals that can be made using the vertices of the polygon of sides 'n' if exactly two adjacent sides of the quadrilateral are common to the sides of the n-gon is

Find the number of diagonals by joining the vertices of a polygon of n sides.

The number of triangles that can be formed using the vertices of a 20 sided regular polygon such that the triangle and the polygon does not have any side common is

Number of quadrilaterals which can be constructed by joining the vertices of a convex polygon of 20 sides if none of the side of the polygon is also the side of the quadrilateral is

" Total number of rectangles which can be formed using the vertices of "16" sided regular polygon is "