If the ratio of circumferences of two circles is 4 : 9, what is the ratio of their areas?

If the ratio of circumferences of two circles is 4 : 9, what is the ra

1.	If the ratio of circumferences of two circles is 4 : 9, what is the ratio of their areas?
A.	0.377777777777778
B.	0.722916666666667
C.	0.172916666666667
D.	0.0854166666666667
Answer» C. 0.172916666666667

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If the ratio of circumferences of two circles is 4 : 9, what is the ratio of their areas?

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