Question

5. The cost of covering a box of length 18 cm, width 12 cm and height 6 cm at the rate of 5
square centimetre is
1800
* 12480
3960​

Answer 1

Answer:

Length=18cm

Breadth=12cm

Height=6cm

Total surface Area=2lb+2bh+2lh

=(2*18*12)+(2*12*6)+(2*18*6)

=432+144+216

=792cm³

The cost of covering box=5 rs per cm²

The cost of covering 792 cm³ box = 792*5

=Rs 3960