Each wheel of Harpreet's tractor trolley has a radius of 38.5 cm. Taking π = 22/7, how many centimetres does the trolley roll forward when a wheel turns once?

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Accepted Answer

242. One turn covers the circumference = 2 × π × r = 2 × 22/7 × 38.5 = 44 × 5.5 = 242 cm.

Each wheel of Harpreet's tractor trolley has a radius of 38.5 cm. Taking π = 22/7, how many centimetres does the trolley roll forward when a wheel turns once?

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