A sector of a circle of radius 7.2cm which subtends an angle of 300° at
MATHEMATICS
JAMB 2001
A sector of a circle of radius 7.2cm which subtends an angle of 300° at the centre is used to form a cone. What is the radius of the base of the cone?
- A. 8cm
- B. 6cm
- C. 9cm
- D. 7cm
Correct Answer: B. 6cm
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