the circumference of the two circles are in the ratio of 4:5. find the ratio of their areas
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Circumference = 2πR
2πR : 2πr = 4:5
R :r = 4:5
Area = πr^2
(4/5)^2
= 16:25
2πR : 2πr = 4:5
R :r = 4:5
Area = πr^2
(4/5)^2
= 16:25
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