Find the cubic root 56 using a perfect cube

To find the cubic root of 56, we need to find a perfect cube that is closest to 56.

Let's list the perfect cubes:
1^3 = 1
2^3 = 8
3^3 = 27
4^3 = 64
5^3 = 125

The closest perfect cube to 56 is 27, which is 3^3.

Therefore, the cubic root of 56 is 3.