D.c. meaning of D.c. YouTube C Meaning In Math. Web c = π⋅d = 2⋅π⋅r: D.c. meaning of D.c. YouTube Web c = π⋅d = 2⋅π⋅r: Web c = π⋅d = 2⋅π⋅r: Web c = π⋅d = 2⋅π⋅r: