A piece of wire is in the form of a sector of a circle of radius 20 {cm}, subtending an angle 150^{\circ} at the centre. If it is bent in the form of a circle, then what will be its radius? [2019 CDS-II]

Correct Answer is : None of the above

UPSC CDS Math Area and Perimeter Questions

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A piece of wire is in the form of a sector of a circle of radius 20cm, subtending an angle 150∘ at the centre. If it is bent in the form of a circle, then what will be its radius?

[2019 CDS-II]

19
3
cm
7 cm
8 cm
None of the above

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