the lid of a rectangular box of sides 40 by 10 cm is sealed all round with tape . what is length of the tape required
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The length of tape = perimeter of lid = 2(40+10)=2(50)=100cm
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Answer :
Given :
Length of the rectangular box = 40 cm
Breadth of the rectangular box = 10 cm
Therefore,
Length of tape required = Perimeter of the rectangular box
= 2 (l + b)
= 2 (40 + 10)
= 100 cm
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