[" 9.How many different triangles can be formed by join "],[" angular points of a decagon.Find also the nume "],[" diagonals of the decagon."]

How many different triangles can be formed by joining the angular point of a decagon .find also the number of diogonal of the decagon

How many different triangles can be formed by joining the angular points of a polygon of n side ?find also the number of diagonals of the polygon .

The number of triangle that can be formed by joining the angular points of a decagon is

How many triangles can be formed by joining the angular points of a decagon ? How many diagonals will it have ?

How many triangles can be formed in a decagon ?

Find the number of diagonals formed in a decagon

How many triangles can be formed by joining 6 points lying on a circle ?

How many Triangles can be formed by joining 12 points, 4 of which are collinear.

How many equilateral triangles can be formed by joining any three vertices of a cube?