The diameter of a wheel is 1.26cm what is the distance covered in 500 revolution.

Given,

Diameter of circle = 1.26cm

Distance travelled = Circumference of circle x 500 revolution

We know that,
Circumference of circle = one revolution

Circumference of circle = \(2pi r\)

= \(2times frac{22}{7}times frac{1.26}{2}\)

= 3.96

Distance travelled in 500 revolutions = 3.96 x 500

= 1980

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