A cuboid of length 18 m, breadth 12 m, and height 8 m is melted and recast into a cube. Find the length of the diagonal of the cube.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 12√3 m.
Cuboid volume = 18 × 12 × 8 = 1728 m3
Cube side length = ∛1728 = 12 m
Cube diagonal = Side × √3 = 12√3 m