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The largest size of bamboo that can be placed in a square of area 100 sq.meters is__________?

Correct answer: B. 14.14m

  • A. 10m
  • B. 14.14m
  • C. 20m
  • D. 25m

Explanation

A square with area 100 square metres has side √100 m = 10 m. The longest straight bamboo that fits inside it is its diagonal, which is 10√2 m ≈ 14.14 m. Option a is the likely choice for students who use the side instead of the diagonal.

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