In $$\triangle$$ABC, $$\angle$$A is a right angle. The lengths of AC and BC are 6 cm and 10 cm respectively. Point D is on AB such that BD = 4 cm. What is the length of CD?

A

$$2\sqrt{13}$$ cm

B

$$3\sqrt{10}$$ cm

C

$$2\sqrt{10}$$ cm

D

$$3\sqrt{13}$$ cm