If a snowball melts so that its surface area decreases at a rate of 2 cm2/min, find the rate at which the diameter decreases when the diameter is 15 cm O A. 1 cm/min 20 л B. 2 cm/min 17π OC. -2 cm/min 15 л OD. 1 cm/min 15 л E. None of these

If a snowball melts so that its surface area decreases at a rate of 2 cm2/min, find the rate at which the diameter decreases when the diameter is 15 cm O A. 1 cm/min 20 л B. 2 cm/min 17π OC. -2 cm/min 15 л OD. 1 cm/min 15 л E. None of these

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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Question

If a snowball melts so that its surface area
decreases at a rate of
2 cm2/min, find the rate at
which the diameter decreases when the diameter is
15 cm.
O A.
1
cm/min
20 л
B.
2
cm/min
17π
OC.
-2
cm/min
15 л
OD. 1
cm/min
15 л
E. None of these

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