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The radius of a sphere increases at a rate of 3m/sec. Find the rate at which the surface area increases when the radius is 9m. O 216™ m² / sec

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

Section8.5: More Area Relationships In The Circle

Problem 11E: Find the perimeter of a segment of a circle whose boundaries are a chord measuring 24 mm millimetres...

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Question

The radius of a sphere increases at a rate of 3m/sec. Find the rate
at which the surface area increases when the radius is 9m.
О 216л т./sec
O 27T m² /sec
O 14 m²/sec
O 547 m²/sec
О 108т т /sec
6.

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