Regular polyhedron .

Total number of regular polyhedra is ______.

Regular polygon a polygon is called a regular polygon if all its sides are equal and all its angles are equal.

Draw the net of a regular hexahedron with side 3 cm. (Hint: Regular hexahedron - cube)

A cone is a polyhedron.

A sphere is a polyhedron.

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

Faces polygons forming a polyhedron are known as its faces.

Edges line segments common to intersecting faces of a polyhedron are known as its edges.

If the sum of number of vertices and faces in a polyhedron is 14, then the number of edges in that shape is ______.