Every solid shape has a unique net.

Every learner is unique means that

If a solid shape has 12 faces and 20 vertices, then the number of edges in this solid is ______.

Which two solid shapes have been combined to form this solid shape ?

A solid conducting sphere of radius a has a net positive charge 2Q . A conducting spherical shell of inner radius b and outer radius c is concentric with the solid sphere and has a net charge -Q . The surface charge density on the inner and outer surfaces of the spherical shell will be

Every device on the Internet has an unique address that identifies it in the same way that a street address identifies the location of a house.

The corners of solid shapes are called its________________.

State True or False: The solid shapes are of two dimensional.