Question

A plastic box 1.5 mlong. 1.25 m wide and 65 cm deep is to be made. It is opened at the
pignoring the thickness of the plastic sheet, determine:
(a) The area of the sheet required for making the box.
(b) The cost of sheet for it, if a sheet measuring Im costs Rs 20.​

Answer 1

Answer:

Length of box =1.5m , breath of box =1.25m ,height =0.65m

area of sheet required

A=2lb+2bh+2hl

2×1.5×1.25 + 2×1.25×0.65 + 2×0.65×1.5

1.95 + 1.625 + 1.875

A=5.45m^2

2.. cost of sheet per m^2 area =Rs 20

Cost of sheet of 5.45 m^2 area =Rs 5.45 ×20

Rs 109 ans

Answer 2

Answer:

It's your answer

Step-by-step explanation:

Mark me brainlist

Have a nice day