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WAEC Mathematics 2010 Question 32

Question 32

Mensuration of Plane Shapes

How many times, correct to the nearest whole number, will a man run round a circular track of diameter 100 m to cover a distance of 1000 m?

  1. A.3
  2. B.4
  3. C.5
  4. D.6
Show the answer and explanation

Answer: A (3)

Explanation

One lap = π × 100 ≈ 314.3 m. 1000 ÷ 314.3 ≈ 3.18, which is 3 to the nearest whole number.