1.

The ratio of areas of two circles is 25:49 . find the ratio of their circumferences .​

Answer»

Since the ratio of area is 25:49

therefore, πr^2 = 49

(22/7)*r*r=49

r*r = (49*7)/22

r = √15.59

r = 3.94

Area = πr*r

= (22/7)*3.94*3.94

48.78



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