Question

A closed iron tank 12m long 9m wide and 4m deep is to be made. Determine the.cost of iron sheet used at rate of 5rs per meter sheet,sheet is being 2m wide

Answer 1

Step-by-step explanation:

given : height 12m,

wide 9m,

deep 4m.

solution :

2(lb+bh +hl) =2(12*9+9*4+4*12)=2(108+36 +48)=192*2=384 length of sheet required= area/ breadth =384/2 =192 now cost of sheet = 192*5 =960 rs