how much plastic need to cover matchbox having 7cmlength 5cmbrradth 4cm height
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Answered by
2
paper needed = total surface area.
Total surface area of match box= 2(lb+bh+hl)
=2(7×5+5×4+7×4)=2(35+20+28)
=2×83=166sq.cm
Hence, 166sq.cm plastic is needed to cover the matchbox.
Hope it helps you out.........
Total surface area of match box= 2(lb+bh+hl)
=2(7×5+5×4+7×4)=2(35+20+28)
=2×83=166sq.cm
Hence, 166sq.cm plastic is needed to cover the matchbox.
Hope it helps you out.........
Answered by
0
The answer is 140 sq.cm
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