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The number of tringles formed by joining the vertices of a decagon is?
50
How many triangles can you divide a regular decagon?
A regular decagon can be divided into triangles by drawing diagonals from one vertex to all other non-adjacent vertices. This method results in a total of 8 triangles. Alternatively, using the formula for the number of triangles formed in a polygon, which is ( n - 2 ) (where ( n ) is the number of sides), a decagon (10 sides) can be divided into ( 10 - 2 = 8 ) triangles.
How many triangles can be formed inside a decagon?
120 triangles.
How many triangles can be formed in a 15 sided polygon when one of its vertices is joined to the other vertices?
13 triangles will be formed
How many triangles can be formed in octagon using the vertices of the octagon as the vertices of triangle?
There are 48 triangles that can be formed because 6 triangles can be formed usin each point multiplied by 8.
How many triangles can be formed with 5 vertices?
10 triangles....
How many triangles can be formed by joining the vertices of a cube which do not lie on the faces?
A cube has 8 vertices, and to form a triangle, we need to select 3 vertices. However, to ensure that the selected vertices do not lie on the same face, we can only select vertices that are not all on the same plane. The valid combinations of vertices that can form a triangle while avoiding faces result in 0 possibilities since any selection of 3 vertices from a cube will always include at least one face. Therefore, no triangles can be formed by joining the vertices of a cube that do not lie on the faces.
How many triangles are formed by drawing diagonals from one vertex in a decagon?
There are 8
What is the number of triangles formed in a decagon when all the diagonals from one vertex are drawn?
8
How many Triangles are formed in an octagon?
In a convex octagon, you can form triangles by selecting any three vertices. Since an octagon has 8 vertices, the number of ways to choose 3 vertices from these 8 is calculated using the combination formula ( \binom{n}{r} ), where ( n ) is the total number of vertices and ( r ) is the number of vertices to choose. Thus, the number of triangles formed is ( \binom{8}{3} = \frac{8!}{3!(8-3)!} = 56 ). Therefore, 56 triangles can be formed in an octagon.
How many triangles in a 100 gon?
In a polygon with ( n ) sides, the number of triangles that can be formed by connecting the vertices is given by the formula ( n - 2 ). For a 100-gon, this means you can create ( 100 - 2 = 98 ) triangles by connecting the vertices. Each triangle is formed by choosing any three of the 100 vertices.
How many different triangles can be formed using three vertices of a hexagon as vertices of a triangle?
30, its a combination. C(6,3) because there are six vertices of a hexagon and three vertices of a triangle
