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
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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
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