- 2 An Open Cardboard Box Has A Square Base With Edges X Cm Long And Vertical Sides Y Cm Long The Box Has A Volume Of 32 1 (44.81 KiB) Viewed 19 times
2. An open cardboard box has a square base with edges x cm long and vertical sides y cm long. The box has a volume of 32
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2. An open cardboard box has a square base with edges x cm long and vertical sides y cm long. The box has a volume of 32
2. An open cardboard box has a square base with edges x cm long and vertical sides y cm long. The box has a volume of 32 cm. (a) Assuming negligible thickness, show that the inner surface area of the box is 128 A= A = {="+" (? (2) х (b) Show that the inner surface area of the box is a minimum when x = = 2y.
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