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A hollow cube is formed by joining six identical squares. A rectangular cello tape of length 4 cm and breadth 0.5 cm is used for joining each pair of edges. What is the total area of the cello tape used?
  • a)
    12 square cm
  • b)
    24 square cm
  • c)
    36 square cm
  • d)
    48 square cm
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
A hollow cube is formed by joining six identical squares. A rectangula...
Area of tape used for each edge = l × b = 4 × 0.5 = 2 cm2
Number of edges to be joined = 12
∴ Tape used = 12 × 2 = 24 cm2
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A hollow cube is formed by joining six identical squares. A rectangular cello tape of length 4 cm and breadth 0.5 cm is used for joining each pair of edges. What is the total area of the cello tape used?a)12 square cmb)24 square cmc)36 square cmd)48 square cmCorrect answer is option 'B'. Can you explain this answer?
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