A sector of a circle has an area of 55 cm 2 . If the
MATHEMATICS
JAMB 2005
A sector of a circle has an area of 55 cm2. If the radius of the circle is 10 cm, calculate the angle of the sector [Ï€ = 22/7]
- A. 45°
- B. 63°
- C. 75°
- D. 90°
Correct Answer: B. 63°
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