Question

1)A plastic box 1.5 m long, 1.25 m wide and 65 cm deep is to be made. It is opened at the top. Ignoring the thickness of the plastic sheet determine the area of the sheet, required for making the box. And the cost of the sheet for it if the sheet measuring 1 metre square cost rupees 20.
2)A cubical box has each edge 10cm and another cuboidal box is 12.5 cm long, 10cm wide and 8cm high.Which Box has the greater lateral surface area and by how much?
3)The curved surface area of a right circular cylinder of height 14 cm is 88² cm. find the diameter of the base of the cylinder.​

Answer 1

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Answer 2

Answer:

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