Question

the ratio of circumference of two circle is 5:3 . what is the ratio of their radii​

Answer 1

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Answer 2

Answer:

ratio=5:3,let the circumferences be 5x and 3x circumference=2πr

5x=2*22/7*r

3x=2*22/7*r

5x/3x= (2*22/7*)/(2*22/7*r)

5/3 = r/r

the ratio of their radii is 5:3