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A square piece of tin of side 18 cm is to made into a box without top by cutting a square from each corner and folding up the flaps to form a box. What should be the side of the square to be cut off so that the volume of the box is maximum. On four sides of this box, write four life skills.
Asked by Topperlearning User | 21 Aug, 2014, 12:21: PM

Let x cm be the length of each side of the square which should be cut off from corners of the square tin sheet.

Let V be the volume of the open box

So Volume is maximum when x=3

So volume is maximum when the side of the square to be cut off is 3 cm.

Four life skills: Responsible, polite, love for peace, spirit of brotherhood

Answered by | 21 Aug, 2014, 02:21: PM

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