A circle with radius 5cm has its radius increasing at the rate of 0.2m/s. What...
MATHEMATICS
JAMB 2002
A circle with radius 5cm has its radius increasing at the rate of 0.2m/s. What will be the corresponding increase in the area?
- A. 2π
- B. 5π
- C. π
- D. 4π
Correct Answer: A. 2π
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