If the ratio of the diameters of two circles is 5:7 what is the ratio of circumference
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Diameter - 2r
Let the radii of the 2 circles be r₁ and r₂
Ratio of diameter = 2r₁ : 2r₂ = 5 : 7
r₁ : r₂ = 5 : 7
Ratio of the circumference = 2πr₁ : 2π₂ = 5 : 7
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Let the radii of the 2 circles be r₁ and r₂
Ratio of diameter = 2r₁ : 2r₂ = 5 : 7
r₁ : r₂ = 5 : 7
Ratio of the circumference = 2πr₁ : 2π₂ = 5 : 7
Hope This Helps You!
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