Answer:
8
Explanation:
Finding a square root is finding what times what rises to that number. Finding a solid shape root is finding what times what times what approaches that number. For instance, the square foundation of 64 is 8, since 8 x 8 = 64. In any case, the 3D shape foundation of 64 is 4, since 4 x 4 x 4 = 64.