$$\triangle$$ABC $$\sim$$ $$\triangle$$EDF and AB = 5 cm, BC = 8 cm and AC = 10 cm.If ar($$\triangle$$ABC) : ar($$\triangle$$DEF) = 9 : 4, then DFis equalto:

A

$$\frac{16}{3}$$ cm

B

$$\frac{20}{3}$$ cm

C

$$\frac{32}{9}$$ cm

D

$$\frac{10}{3}$$ cm