The number of triangles formed by joining the vertices of a hexagon is

Consider a convex polygon, which has 44 diagonals, then the number of triangles formed by joining the vertices of polygon in which exactly one side is common in triangle and polygon, is

Find the number of diagonals formed by joining the vertices of the regular hexagon.

How many triangles can be formed by joining the vertices of a hexagon?

How many triangles can be formed by joining the vertices of a hexagon?

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

How many triangles can be formed by joining the vertices of a hexagon? How many diagonals are there for hexagon?

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?

How many right angled triangles can be formed by joining the vertices of a cuboid ?