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8. A lid of rectangular box of sides 40 cm by 10 cm is sealed all around with tape such that there isan overlapping of 5 cm of the tape. What is thelength of the tape used ? |
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Answer» :100CM is length of the tape 105cm is overlapping of tapeGiven :Length is 40cmbreadth is 10cmTo find:length of the tape used Solution :Given that , A LID of rectangular BOX of sides 40 cm by 10 cm is sealed all around with tape. so now we have to find the length of tape used.Length = 40cmbreadth = 10cmLength of tape required = Perimeter of rectangle Perimeter of rectangle = 2(l + B)⟶ 2(length + breadth)⟶ 2 (40 + 10)⟶ 2(50)⟶ 100 cmHence , 100cm is the length of tape required.Now overlapping, 100 + 5105 cm |
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