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Get Answers to all your Questions
17) The rate of change of the area of a circle with respect to its radius r at r = 6 cm is
(A) 10π (B) 12π (C) 8π (D) 11π
Answers (1)
Area of circle(A) =
Now, at r = 6cm
Hence, the rate of change of the area of a circle with respect to its radius r at r = 6 cm is
Hence, the correct answer is B
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