a wheel makes 1500revolution in a distance of 4.5 km. find its radius. value 3. 14
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Distance=4.5km=4500m
Revolution =1500
As,
Perimeter = distance ÷ revolution
2×3.14×r=4500÷1500
r=3÷2×3.14
r=0.477m
r=47.7 cm
Revolution =1500
As,
Perimeter = distance ÷ revolution
2×3.14×r=4500÷1500
r=3÷2×3.14
r=0.477m
r=47.7 cm
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