The brake rotors are completely different front to back. They are different diameters, and the rear brakes have an integral brake drum for the parking brake.
Thanks my friend.
One more question, can the rear rotors be resurfaced.
Yes they can. but you need to check the thickness of the rotor. If it is too warped, then you need a new rotor.
And yes.. your rear rotor is usally larger because it needs to house ur parking brake and etc;.