Question

1. Aplastic box 15 m long. 1.25 m wide and 65 cm deep is to be made. It is open at the top Ignoring the thickness of the plastic sheet, determine:-
(1) the area of the sheet required for making the box.
(2) the cost of sheet for it, if a sheet measuring 1m² costs 60rs.​

Answer 1

Step-by-step explanation:

since the box is open at the top we have to calculate the area of 5 sides

depth will be considered as height.

hope this helps