The angle subtended at the centre of a circle of radius 3 metres by an arc of length 1 metre is equal to [MNR 1973]

The angle subtended at the centre of a circle of radius 3 metres by an

1.	The angle subtended at the centre of a circle of radius 3 metres by an arc of length 1 metre is equal to [MNR 1973]
A.	\[{{20}^{o}}\]
B.	\[{{60}^{o}}\]
C.	\[\frac{1}{3}\] radian
D.	3 radians
Answer» D. 3 radians

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The angle subtended at the centre of a circle of radius 3 metres by an arc of length 1 metre is equal to [MNR 1973]

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