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  1. Polyhedron - Wikipedia

    In geometry, a polyhedron (pl.: polyhedra or polyhedrons; from Greek πολύ (poly-) 'many' and ἕδρον (-hedron) 'base, seat') is a three-dimensional figure with flat polygonal faces, straight …

  2. Polyhedron - Math is Fun

    Polyhedron comes from Greek poly- meaning "many" and -hedron meaning "face". The plural can be polyhedra or polyhedrons. What faces does it have? No curved surfaces: cones, spheres …

  3. Polyhedron - Math.net

    Real world examples of polyhedra include the Great Pyramid of Giza, concrete blocks, dice, bricks, and more. Polyhedrons are made up of faces, edges, and vertices. They are named …

  4. What is a Polyhedron? Definition, Types, Parts, Formula, Examples

    Regular polyhedrons are made up of regular polygons. They are also known as “Platonic solids.”

  5. Polyhedron | Meaning, Shapes, Formula, and Examples

    Jul 23, 2025 · A polyhedron is a 3D solid made up of flat polygonal faces, with edges meeting at vertices. Each face is a polygon, and the edges connect the faces at their vertices. Examples …

  6. Polyhedron -- from Wolfram MathWorld

    In geometry, a polyhedron is simply a three-dimensional solid which consists of a collection of polygons, usually joined at their edges. The word derives from the Greek poly (many) plus the …

  7. Polyhedron | 3D Shapes, Platonic Solids, Faces | Britannica

    Polyhedron, In Euclidean geometry, a three-dimensional object composed of a finite number of polygonal surfaces (faces). Technically, a polyhedron is the boundary between the interior and …

  8. POLYHEDRAL Definition & Meaning - Merriam-Webster

    The meaning of POLYHEDRAL is having the form of a polyhedron : having many faces. How to use polyhedral in a sentence.

  9. What is a Polyhedron - Definition, Types, Formula, Examples

    Let us learn more about the types of polyhedrons and solve a few examples to understand the shape better. A polyhedron is a three-dimensional solid made up of polygons. It has flat faces, …

  10. POLYHEDRAL Definition & Meaning | Dictionary.com

    Polyhedral definition: of, relating to, or having the shape of a polyhedron.. See examples of POLYHEDRAL used in a sentence.