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:
(i) The area of the sheet required for making the box.
(ii) The cost of sheet for it, if a sheet measuring 1 costs Rs 20.
Length of open plastic box m
Breadth of open plastic box m
Height of open plastic box cm m
The area of the sheet required for making the open plastic box
(Because it is open from the top)
1 of sheet costs Rs 20
5.45 of sheet would cost Rs