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a bicycle wheel has a diameter of 65cm what is the length of 1000 revolutions of the wheel in metres​

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Answer: 2041 meters

A bicycle wheel is a circular object.

The circumference of a circle is 2π(radius)

Here given:

  • diameter: 65 cm
  • radius = diameter/2 = 65/2 = 32.5 cm

Hence find the length for each revolution:

  • 2π(32.5) = 204.1 cm per revolution

Then for 1000 revolutions:

  • 204.1 × 1000 = 204100 cm ≈ 2041 meter
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