An open box with a rectangular base is to be made from 120 cm by 240 cm of steel plate by cutting out squares of equal size from the four corners and bending up the sides. Find the size of the corner square to obtain a box with the largest possible volume.

Please help me to answer this .. :) thank you!

Question

An open box with a rectangular base is to be made from 120 cm by 240 cm of steel plate by cutting out squares of equal size from the four corners and bending up the sides. Find the size of the corner square  to obtain a box with the largest possible volume.

Please help me to answer this .. :) thank you!

anonymous · Answer

l=240
w=120
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