A regular polygon has 23 vertices and consequently 23 sides. The number of additional lines need be drawn so that every pair of vertices will be connected is

A polygon has 12 vertices lying on a circle. Find the number of diagonals.

A regular polygon has 20 sides. Find the number of diagonals of the polygon.

A regular polygon has n times as many sides as another and the number of degrees in each interior angle of the first is m times the number of radians in that of the second. Find the number of sides of each polygon .

Consider a regular polygon with 10 sides, What is the number of triangles that can be formed by joining the vertices which have no common side with any of the sides of the polygon?

The number of lines of symmetry of a regular polygon is equal to the vertices of the polygon.

A regular polygon of n sides has ......... Number of lines of symmetry.

Two regular polygons are inscribed in the same circle.The first polygon has 1982 sides and the second has 2973 sides.If the polygons have any common vertices,then the number of such vertices will be