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MATHEMATICS

JAMB 2013 - Question 37

Mathematics 2013 JAMB Past Questions - Question 37: The radius of a circle is increasing at the rate of 0.02cm¯¹ .Find the rate at which the area is increasing when the radius of the circle is 7cm.

The radius of a circle is increasing at the rate of 0.02cm¯¹ .Find the rate at which the area is increasing when the radius of the circle is 7cm.

A: 0.35cm²s¯¹

B: 0.88cm²s¯¹

C: 0.75cm²s¯¹

D: 0.55cm²s¯¹

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MATHEMATICS

Mathematics 2013 JAMB Past Questions - Question 37: The radius of a circle is increasing at the rate of 0.02cm¯¹ .Find the rate at which the area is increasing when the radius of the circle is 7cm.

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Correct Answer

Explanation