the ratio of circumferance of two circle of radii5cm and 7cm
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circle 1
(2*22/7*5)/2*22/7*7 is 5:7
ans is 5:7
(2*22/7*5)/2*22/7*7 is 5:7
ans is 5:7
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hey mate!
circumference =2 pi R
take there ratio
r1/r2 = 2 pi 5 / 2pi 7.
so
r1/r2 = 5:7
circumference =2 pi R
take there ratio
r1/r2 = 2 pi 5 / 2pi 7.
so
r1/r2 = 5:7
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