A contractor is building a rectangular house that is 3000 ft squared. What dimensions will require the least amount of building material? Answer is w=54.7723 and L=54.7723, but I don't know how to get there.
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To build a 3000sq.ft. home using the least material, you need to build it perfectly square ( each side equal ). So if you square 3000, you get 54.7723 ft.