The base of a prism is in the shape of an equilateral triangle. If the perimeter of the base is $$18 cm$$ and the height of the prism is $$20 cm$$, then what is the volume (in $$cm^3$$) of the prism?

A

$$60\surd3$$

B

$$30\surd6$$

C

$$60\surd2$$

D

$$180\surd3$$