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Sahay Sir > Question Answers > NCERT Class 9 > Maths > Chapter 13 - Surface Areas and Volumes > 1. 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 1m2 costs Rs. 20.

1. 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 1m2 costs Rs. 20.

1. A plastic box 1.5 m long 1.25 m wide and 65 cm deep determine: (i)The area of the sheet required for making the box. (ii)The cost of sheet for it if a sheet measuring 1m2 costs Rs. 20. is to be made. It is to be open at the top. Ignoring the thickness of the plastic sheet