ConceptSurface Area of a Cuboid and a Cube

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#### Question

A plastic box 1.5 m long, 1.25 m wide and 65 cm deep, is to be made. It is to be open at the top. Ignoring the thickness of the plastic sheet, determine:

(i) The area of the sheet required for making the box.

(ii) The cost of sheet for it, if a sheet measuring 1 m^{2} costs Rs 20.

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#### Reference Material

Solution for concept: Surface Area of a Cuboid and a Cube. For the course CBSE