Solve the Problem $33 \mathrm { ft } 3$ What Dimensions Yield the Minimum Surface Area? Round to Rectangular

question 144

Multiple Choice

Solve the problem.
-A company is constructing an open-top, square-based, rectangular metal tank that will have a volume of $33 \mathrm { ft } 3$ . What dimensions yield the minimum surface area? Round to the nearest tenth, if necessary.

• A) 3.2 ft × 3.2 ft × 3.2 ft
• B) 8.1 ft × 8.1 ft × 0.5 ft
• C) 4 ft × 4 ft × 2 ft
• D) 4.6 ft × 4.6 ft × 1.5 ft

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