If two circles A, B of equal radii pass through the centres of each other, then what is the ratio of the length of the smaller are to the circumference of the circle A cut off by the circle B?

If two circles A, B of equal radii pass through the centres of each ot

1.	If two circles A, B of equal radii pass through the centres of each other, then what is the ratio of the length of the smaller are to the circumference of the circle A cut off by the circle B?
A.	\[\frac{1}{2}\]
B.	\[\frac{1}{4}\]
C.	\[\frac{1}{3}\]
D.	\[\frac{2}{3}\]
Answer» D. \[\frac{2}{3}\]

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If two circles A, B of equal radii pass through the centres of each other, then what is the ratio of the length of the smaller are to the circumference of the circle A cut off by the circle B?

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