Two circles of radius 13 cm and 15 cm intersect each other at points A and B. If the length of the common chord is 12 cm, then what is the distance between their centres?

A

$$\sqrt{145} + \sqrt{184}$$

B

$$\sqrt{131} + \sqrt{181}$$

C

$$\sqrt{145} + \sqrt{169}$$

D

$$\sqrt{133} + \sqrt{189}$$