The perimeters of $$\triangle ABC$$ and $$\triangle DEF$$ are 39.6 cm and 26.4 cm, respectively, and $$\triangle ABC \sim \triangle DEF$$. What is the ratio of the areas of $$\triangle ABC$$ and $$\triangle DEF$$?

A

3 : 2

B

9 : 4

C

16 : 9

D

9 : 2