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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 .
Hexagons are six-sided polygons. They can be either regular (having sides of equal length) or irregular (having sides of varying lengths). When a hexagon is regular, it has an apothem: a line segment from its center to the middle point of any one of its equal sides. If you need to find the apothem of a hexagon, scroll down to Step 1. Ad.