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OpenStudy (anonymous):
someone please help: explain what (pi)(r^2) and h represent in terms of the cylinder. Then explain how this information is used to find the formula for the volume of a half sphere, 2/3*pi*r^2*r. Then explain how you use this formula to get the formula 4/3*pi*r^3 for the volume of a sphere. (I don't really get what this question is asking?) ps: drawing in the comments if you need it
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OpenStudy (anonymous):
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