A box in the form of a rectangular solid has a square base of 5 feet in length, a width of 5 feet, and a height of h feet. If the volume of the rectangular solid is 200 cubic feet, which of the following equations may be used to find h?
A. 5h = 200
B. 5h2 = 200
C. 25h = 200
D. h = 200 ÷ 5