1.

a carriage wheel makes 20,000 revolution in going over a distance of 15.7 kilometre find the radius of the wheel to taking π=3.14​

Answer»

hii I think that it HELPS you Step-by-step EXPLANATION:pi = 3.144.5 km = 4500 m circumference = 2(pi)r 1500(2(pi)(r)) = 4500 m 3000(3.14)r = 4500 r = 4500/[(3000)(3.14)] r = 0.47771 m (0.47771 m)(100 CM/m) = 47.771 cm



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