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Answer:
42 ft²
Step-by-step explanation:
You need the total surface area of the box which is shaped like a rectangular prism.
surface area = area of bases + lateral area
Let length = 3 ft, width = 2 ft, height = 3 ft.
The base is a rectangle 3 ft by 2 ft.
The perimeter of the base is 2(3 ft + 2 ft) = 10 ft
The lateral area is (perimeter of the base) × height = 10 ft × 3 ft = 30 ft²
The area of the two bases is 2 × (3 ft × 2 ft) = 12 ft²
The total surface area is 30 ft² + 12 ft² = 42 ft²