The volume of a right circular cone with radius r and height h is V-xfh/ 3 a. Approximate the change in the volume of the cone when the radius changes from r = 6.1 to r= 6.8 and the height changes from h = 4.30 to h-421 b. Approximate the change in the volume of the cone when the radius changes from r= 5.12 to r= 5.08 and the height changes from h = 11.0 to h = 10.92

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