Answered: 18. If the radius of the circle…

18. If the radius of the circle increases at the rate of 0.01 cm per second, find the rate of change of the area when the radius is 3 cm long a) 0. 188 cm2 cm? b) 0.376 Cm c) 0.440: d) 0.335 cm2

Elementary Geometry for College Students

6th Edition

ISBN:9781285195698

Author:Daniel C. Alexander, Geralyn M. Koeberlein

Publisher:Daniel C. Alexander, Geralyn M. Koeberlein

Chapter8: Areas Of Polygons And Circles

Section8.4: Cicumference And Area Of A Cicle

Problem 12E: Use your calculator value of to find the approximate area of a circle with radius length 12.38 in.

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18. If the radius of the circle increases at the rate of 0.01 cm per second, find the rate of change of the area when the
radius is 3 cm long
cm?
a) 0. 188
b) 0.376 Cm?
c) 0.440 cm2
d) 0.335 cm2

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