Posted by Casablanca on Tuesday, March 13, 2012 at 2:14pm.
what does "one of its radii in the base" mean? Is its radius centered on the x-axis, or on a point of the circle, or what?
This is precisely why I posted, I thought that the wording of this practice problem might make sense to someone else, because it completely confused me.
After a lot of thinking, I figured that the solid of revolution was a hemisphere. It was created by rotating the quarter circle in the first quadrant around the y-axis perhaps. This resulted in a volume of (32/3)pi.
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