The circumferences of 2 circles are in the ratio 5:7, find the ratio between their radii.
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ratio of radii will also be same i.e,5:7
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circumference of 1st = c1= 2πr1
c2 = 2πr2
c1/c2= r1/r2
so the ratio will be same as circumference
i hope this will help 1
c2 = 2πr2
c1/c2= r1/r2
so the ratio will be same as circumference
i hope this will help 1
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