An arc of the length 16Ï€cm subtends an angle of 80° at the centre of...
MATHEMATICS
JAMB 2016
An arc of the length 16Ï€cm subtends an angle of 80° at the centre of the circle. Find the radius of the circle.
- A. 24cm
- B. 28cm
- C. 36cm
- D. 32cm
Correct Answer: C. 36cm
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