Answer:
The length, the width and the height of the box is 6 inches.
Explanation:
Given:
Daisy making a memory box in the shape of the cube.
The total volume is 216 cubic inches.
Now, to find the length, width and height of the cube.
Volume of cube = 216 cubic inches.
As, the sides of the cube are having same length.
Thus, the measurements of length, width and height of the cube are same.
Now, to get the side of the cube we put formula:

Using cube root on both sides:

Therefore, the length, the width and the height of the box is 6 inches.