An arc of 30Â° in one circle is double an arc in a second circle, th – McqOptions

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1.	An arc of 30Â° in one circle is double an arc in a second circle, the radius of which is three times the radius of the first. Then the angles subtended by theÂ arc of the second circle at its centre is
A.	3Â°
B.	4Â°
C.	5Â°
D.	6Â°
Answer» D. 6Â°

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