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The circumference of a circle is increasing at a rate of 2 cm/s. How fast is the area increasing when r = 6 cm? A 2 cm2/s B 12 T cm2/s -cm²/s D 12 cm?/s

Mathematics For Machine Technology

8th Edition

ISBN:9781337798310

Author:Peterson, John.

Publisher:Peterson, John.

Chapter60: Areas Of Triangles

Section: Chapter Questions

Problem 1A: Find the area of this figure. Round your answer to 2 decimal places.

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Question

The circumference of a circle is increasing at a rate of 2 cm/s.
How fast is the area increasing when r = 6 cm?
A 2 cm2/s
B
12 T cm2/s
-cm²/s
D 12 cm?/s

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