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13 January, 13:29

A large number of open cardboard. boxes are to be made and each box must have

square base and a capacity of 4000 cm^2. Find the dimensions of the box which

contains the minimum area of cardboard.

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  1. 13 January, 13:34
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    open boxes = > 5 areas

    5L² = 4000 cm²

    L² = 4000cm²/5

    L² = 800cm²

    L = √800

    L = √2*400

    L = √2*20²

    L = 20√2 cm
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