# Blatt Papier/20 mal 30/Schachtel mit maximalem Volumen/Aufgabe/en

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From a sheet of paper with side lengths of ${\displaystyle {}20}$ cm and ${\displaystyle {}30}$ cm we want to realize a box (without cover) with the greatest possible volume. We do it in this way. We remove from each corner a square of the same size, then we lift up the sides and we glue them. Which box height do we need to realize the maximum volume?