An arc subtends an angle of 30° at the centre of a circle radius 12cm....
MATHEMATICS
JAMB 2016
An arc subtends an angle of 30° at the centre of a circle radius 12cm. Calculate the length of the arc.
- A. 6πcm
- B. 2πcm
- C. 3πcm
- D. 9πcm
Correct Answer: B. 2πcm
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