polyhedron-- a solid shape bounded by polygons is called a polyhedron.

polyhedra a solid shape bounded by polygons is called a polyhedron.

A cone is a polyhedron.

Regular polyhedron.

A sphere is a polyhedron.

Convex polyhedron.

Following are some polyhedrons:

What is a polyhedron? How can we say that polyhedron is a regular polygon. Draw one figure of convex polyhedron and concave polyhedron.

Which of the following is a regular polyhedron?

A polyhedron can have 3 faces.

Which amongst the following is not a polyhedron?