The radius of a circle is increasing at a constant rate of 0.2 meters per second. What is the rate of increase in the area of the circle at the instant when the circumference of the circle is 20TT meters? * O 0.04m m^2/sec O 20n m^2/sec 0.4n m^2/sec 4n m^2/sec

The radius of a circle is increasing at a constant rate of 0.2 meters per second. What is the rate of increase in the area of the circle at the instant when the circumference of the circle is 20TT meters? * O 0.04m m^2/sec O 20n m^2/sec 0.4n m^2/sec 4n m^2/sec

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter58: Achievement Review—section Five

Section: Chapter Questions

Problem 30AR: Determine dimension x to 3 decimal places.

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Question

The radius of a circle is increasing ata constant rate of 0.2 meters per
second. What is the rate of increase in the area of the circle at the instant
when the circumference of the circle is 20Tt meters? *
O 0.04n m^2/sec
O 20n m 2/sec
O 0.4n m^2/sec
O 4n m^2/sec

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