A cone with the sector angle of 45° is cut out of a circle of
MATHEMATICS
JAMB 1997
A cone with the sector angle of 45° is cut out of a circle of radius r of the cone.
- A. r/16 cm
- B. r/6 cm
- C. r/8 cm
- D. r/2 cm
Correct Answer: C. r/8 cm
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