If figure A is similar to figure B, what is the relationship between their perimeters?

A. They have the same perimeter always.
B. The perimeter of figure A is always greater than the perimeter of figure B
C. The ratio of the perimeter of figure A to the perimeter of figure B equals the ratio of any side of figure A to its corresponding side in figure B.
D. The perimeter of figure B is always greater than the perimeter of figure A