Irregular: An irregular pyramid is one whose base is an irregular polygon or which has lateral faces of different sizes and shapes. Therefore, both the lateral edges are equal. Regular: A regular pyramid is one whose base is a regular polygon (polygon whose sides and angles are equal) and the lateral faces are congruent isosceles triangles. Types of Pyramids According to Regularityĭepending on the regularity of the polygons that form it, they can be classified as: Hexagonal pyramid: its base forms a flat geometric figure in the shape of a hexagon. Pentagonal pyramid: its base is shaped like a pentagon. Square pyramid: It has a square-shaped base. Triangular Pyramid: Triangular pyramids have a triangle-shaped base and side faces that are triangles. The most common types of pyramids according to their base are: Pyramids can be classified in different ways according to the following criteria: Types of Pyramids According to the Shape of the Base īase Apothem: The apothem of a pyramid is the distance from the center of the base of the pyramid to the center of one of the lateral faces.All the lateral faces are isosceles triangles. A pyramid has at least three lateral faces, but can have many more. Lateral Faces: The lateral areas of a pyramid are the surfaces that extend from the sides of the base of the pyramid to the vertex of the pyramid. īase: is the flat geometric figure that serves as a support for the pyramidal structure and has a polygon shape.Height: is the perpendicular distance from the vertex to the base. The main elements of these geometric bodies are: Uncovering the Secrets of the Regular Pentagon:
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