Class 11Mathematics10-1.Circle and System of CirclesGeometrical problems regarding circle and its properties
EasyThe angle subtended at the centre of a circle of radius $3 \text{ metres}$ by an arc of length $1 \text{ metre}$ is equal to
- A$20^{\circ}$
- B$60^{\circ}$
- C$\frac{1}{3} \text{ radian}$
- D$3 \text{ radians}$
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