Asked by mt

Reza is helping En Shah to make a box without the top.The box is made by cutting away four squares from the corners of a 30cm square piece of cardboard as shown in Figure 1 and bending up the resulting cardboard to form the walls of the box.
Answered by Steve
The volume is x(30-2x)^2

The area is (30-2x)^2 + 4x(30-2x)
Answered by mt
sTEVE I CANT UNDERSTAND
Answered by Steve
Neither can I. You never asked a question.
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