Question

A rectangle box of dimesion 40 into 25 into 20cm is to be made of tins find the area of the tin sgeet needed if the box has a lid also.Also find tge cost @ Rs8 per msquare for making such boxes

Answer 1

the area of the tin sheet required=2(lb+bh+hl)
=2(40×25+25×20+20×40)
=2(1000+500+800)
=2×2300
=4600
total cost of making=₹(8×4600)
=₹36800