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The radius of a circle is decreasing at a rate of 3 cm/sec. At what rate is the area of the circle changing when the circle has a radius of 5cm? Give exact answer. A =Pi r2

Elementary Geometry For College Students, 7e

7th Edition

ISBN:9781337614085

Author:Alexander, Daniel C.; Koeberlein, Geralyn M.

Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.

Chapter8: Areas Of Polygons And Circles

Section8.CT: Test

Problem 12CT

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The radius of a circle is decreasing at a rate of 3 cm/sec. At what rate is the area of the circle changing when the circle has a radius of 5cm? Give exact answer. A =Pi r²

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