A crowd gathers around a movie star, forming a circle. The area taken up by the crowdincreases at a rate of 4n ft/s. How fast is the radius of the crowd increasing when theradius is 8 feet?

Answered: Image /qna-images/answer/0cb15543-b858-4e70-b58e-f44ce5fdf5bd.jpg

Answered: A crowd gathers around a movie star,…

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 45E: The diameter of a carousel merry-go-round is 30ft. At full speed, it makes a complete revolution in...

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A crowd gathers around a movie star, forming a circle. The area taken up by the crowd increases at a rate of 4x ft/s. How fast is the radius of the crowd increasing when the radius is 8 feet?