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

How many triangles can be formed by joining the vertices of an n- sided polygen?

How many triangles can be drawn by joining the vertices of a decagon ?

How many triangles can be obtained by joining the vertices of a quadrilateral?

(i) Find the number of sides of a polygon if it has 35 diagonals. (ii) How many triangles can be formed with the vertices of an octagon?

(i) Find the number of sides of a polygon if it has 35 diagonals. (ii) How many triangles can be formed with the vertices of an octagon?

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

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

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 drawn by joining the vertices and the centre of a regular hexagon ?

How many triangles can be obtained when the vertices of a hexagon are joined?