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ICSE Class 7 Answered

How many revolution would a cycle wheel of diameter 1.6 m make to cover a distance of 352metres? Take π as 22/7
Asked by gorakhsonawane | 27 Jan, 2019, 10:06: AM
answered-by-expert Expert Answer
If d is diameter of the wheel, circumference is the distance covered in one rotation.
 
Hence distance covered in one rotation = π×d = π×1.6 m
 
number of rotation for covering a distance 352 m = 352 /(π×1.6)  = (352×7)/(22×1.6) = 70
Answered by Thiyagarajan K | 27 Jan, 2019, 10:26: AM
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