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# The lid of a rectangular box of sides 40 cm by 10 cm is sealed all round with tape. What is the length of the tape required?

Q 2.     The lid of a rectangular box of sides 40 cm by 10 cm is sealed all round with tape. What is the length of the tape required?

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We have,
Length = 40 cm and,

So, the length of tape required = perimeter of the rectangular box
= 2 (L + B)
= 2$\times$ 50 cm
= 100 cm

Hence 100 cm tape is required.

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