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  2. Hexagonal pyramid - Wikipedia

    en.wikipedia.org/wiki/Hexagonal_pyramid

    A hexagonal pyramid has seven vertices, twelve edges, and seven faces. One of its faces is hexagon, a base of the pyramid; six others are triangles. Six of the edges make up the pentagon by connecting its six vertices, and the other six edges are known as the lateral edges of the pyramid, meeting at the seventh vertex called the apex.

  3. Pyramid (geometry) - Wikipedia

    en.wikipedia.org/wiki/Pyramid_(geometry)

    The surface area is the total area of each polyhedra's faces. In the case of a pyramid, its surface area is the sum of the area of triangles and the area of the polygonal base. The volume of a pyramid is the one-third product of the base's area and the height.

  4. Hexagonal prism - Wikipedia

    en.wikipedia.org/wiki/Hexagonal_prism

    3D model of a uniform hexagonal prism. In geometry, the hexagonal prism is a prism with hexagonal base. Prisms are polyhedrons; this polyhedron has 8 faces, 18 edges, and 12 vertices. [1] Since it has 8 faces, it is an octahedron. However, the term octahedron is primarily used to refer to the regular octahedron, which has eight triangular faces.

  5. Frustum - Wikipedia

    en.wikipedia.org/wiki/Frustum

    In geometry, a frustum (Latin for 'morsel'); [a] (pl.: frusta or frustums) is the portion of a solid (normally a pyramid or a cone) that lies between two parallel planes cutting the solid. In the case of a pyramid, the base faces are polygonal and the side faces are trapezoidal.

  6. Prism (geometry) - Wikipedia

    en.wikipedia.org/wiki/Prism_(geometry)

    The surface area of a right prism is: +, where B is the area of the base, h the height, and P the base perimeter. The surface area of a right prism whose base is a regular n-sided polygon with side length s, and with height h, is therefore: = ⁡ +.

  7. List of centroids - Wikipedia

    en.wikipedia.org/wiki/List_of_centroids

    Semicircular area [3] ... Right-rectangular pyramid: a, b = the sides of the base ... General triangular prism: b = the base side of the prism's triangular base,

  8. Augmented hexagonal prism - Wikipedia

    en.wikipedia.org/wiki/Augmented_hexagonal_prism

    The augmented hexagonal prism is constructed by attaching one equilateral square pyramid onto the square face of a hexagonal prism, a process known as augmentation. [1] This construction involves the removal of the prism square face and replacing it with the square pyramid, so that there are eleven faces: four equilateral triangles, five squares, and two regular hexagons. [2]

  9. Triaugmented hexagonal prism - Wikipedia

    en.wikipedia.org/wiki/Triaugmented_hexagonal_prism

    In geometry, the triaugmented hexagonal prism is one of the Johnson solids (J 57). As the name suggests, it can be constructed by triply augmenting a hexagonal prism by attaching square pyramids ( J 1 ) to three of its nonadjacent equatorial faces.