Let $$\triangle ABC - \triangle$$ QPR and (Area of $$\triangle$$ ABC) : (Area of $$\triangle$$ PQR) = 121 : 64. If QP = 14.4 cm, PR = 12 cm and AC = 18 cm, then what is the length of AB?

A

19.8 cm

B

32.4 cm

C

21.6 cm

D

16.2 cm