Short answer:- what is polyhedron?Write its properties?Draw rough diagram.

Dear Student,
In geometry, a polyhedron (plural polyhedra or polyhedrons) is a solid in three dimensions with flat polygonal faces, straight edges and sharp corners or vertices. 
Euler’s formula for any polyhedron is, F + V – E = 2
Where F stands for number of faces, V for number of vertices and E for number of edges.
 Types of polyhedrons:
(a) Convex polyhedron A convex polyhedron is one in which all faces make it convex.
(b) Regular polyhedra or platonic solids: A polyhedron is regular if its faces are congruent regular polygons and the same number of faces meet at each vertex


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