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A rectangular hall is 32 m long and 24 m wide.
Three square mats, each of side 4 m, are placed in a row to make a long strip.
Which is greater: the perimeter of the hall or the perimeter of the strip of mats, and by how much?

Class 6Perimeter Word ProblemsMensuration
  • AHall greater by 72 m
  • BStrip greater by 72 m
  • CHall greater by 80 m
  • DEqual

Step-by-Step Solution

Hall perimeter = 2 × (32 + 24) = 112 m. Strip of 3 mats = rectangle 12 m × 4 m, perimeter = 2 × (12 + 4) = 32 m. Hall is greater by 112 − 32 = 80 m.
Answer: C) Hall greater by 80 m

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