Find the number of triangles whose angul...

Find the number of triangles whose angular points are at the angular points of a polygon of 13 sides, but none of whose sides are the sides of the polygon.

Verified by Experts

The correct Answer is:

156

Similar Questions

Explore conceptually related problems

The number of triangle whose vertices are at the vertices of an octagon but none of whose sides happen to come from the sides of the octagon is

The number of diagonals in a polygon of 10 sides is

Find the perimeter of a triangle whose sides are 2a+3b, b-a, 4a-2b

Find the number of diagonals of a polygon having 20 sides

The number of triangle that can be formed by joining the vertices of a regular polygon of n sides is

IF a polygon has 35 diagonals , then the number of sides of the polygon is

Find the number of diagonals of a polygon with 12 sides.

Find the perimeter of a triangle whose sides are 2a + 3b, b–a, 4a–2b.

What is the minimum number of sides of a polygon?