The length, breadth and height of a cuboid are in the ratio of 6 ∶ 4 ∶ 3. If the total surface area of the cuboid is 972 cm2, what is the length (in cm) of the diagonal of the cuboid?
1
\(5\sqrt{65}\)
2
\(3\sqrt{61}\)
3
\(3\sqrt{65}\)
4
\(5\sqrt{61}\)