Solve the Problem. -A Company Is Constructing an Open-Top, Square-Based, Rectangular Metal Tank

Solve the problem.
-A company is constructing an open-top, square-based, rectangular metal tank that will have a volume of What dimensions yield the minimum surface area? Round to the nearest tenth, if necessary.

A) 5.1 ft × 5.1 ft × 1.7 ft
B) 3.5 ft × 3.5 ft × 3.5 ft
C) 4.5 ft × 4.5 ft × 2.2 ft
D) 9.4 ft × 9.4 ft × 0.5 ft