If the ratio of the circumferences of two circles is 3:1, then find the ratio of their areas.
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2 pi R/ 2 pi r =3
R/r=3
(R/r)^2=9
multiply pi to denominator and numerator
area 1/ area 2= 9:1
R/r=3
(R/r)^2=9
multiply pi to denominator and numerator
area 1/ area 2= 9:1
Shreya2001:
thnks
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9:1 is the ratio of two given circles
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