Question

A Plactic 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 (1) the are of the sheet required for making yha box . (2) the cost of sheet for it if a sheet measuring 1m costs ₹ 20 ​

Answer 1

Answer:

1) 1.5 * 1.25 + 2(0.65 * 1.5 ) + 2(0.65 * 1.25)

calculate the above

2) 1m costs = Rs 20

1meter^2= 20*20= Rs 400

So, the above calculated figure * 400 will give required result.