Question:
A circular plate of radius 5 cm is heated. Due to expansion, its radius increases at the rate of 0.05 cm/sec. The rate at which its area is increasing when the radius is 5.2 cm is
A circular plate of radius 5 cm is heated. Due to expansion, its radius increases at the rate of 0.05 cm/sec. The rate at which its area is increasing when the radius is 5.2 cm is
Updated On: Apr 17, 2024
- 5.05 π cm2/sec
- 5.2 π cm2/sec
- 0.52 π cm2/sec
- 27.4 π cm2/sec
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The Correct Option is C
Solution and Explanation
The correct answer is (C) : 0.52 π cm2/sec.
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