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The cube is the only regular hexahedron and is one of the five Platonic solids . It has 6 faces, 12 edges, and 8 vertices. The cube is also a square parallelepiped , an equilateral cuboid and a right rhombohedron . It is a regular square prism in three orientations, and a trigonal trapezohedron in four orientations. The cube is dual to the octahedron .
Let us find âhow many Triangles in a Hexagonâ? If we join all the vertices of a hexagon we get the 110 as total number of triangles. This can be evaluated as follows: Suppose we have a hexagon PQRSTU. If we join all vertices we get 3 interior edges from each of the vertex. So for 6 vertices we get 18 more edges.