The radius, r for a circular cone is increasing at the rate of 3 cm per minute. The height of cone, h is related to the radius by h=4r. Find the rate of change of the volume of cone when r=8 cm.
Question 12Answer
a.
242π
cm3/min
b.
252π
cm3/min
c.
512π
cm3/min
d.
124π
cm3/min
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