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10 cards from this deck
V=pir2hV = pi r^2 hV=pir2h
Radius (rrr) and height (hhh)
V=43πr3V = \frac{4}{3}\pi r^3V=34πr3
V=23πr3V = \frac{2}{3}\pi r^3V=32πr3
Ring shape - circle with circular hole in middle
Divide by 2
Cubic units (mm³, cm³, m³)
A=π(R2−r2)A = \pi(R^2 - r^2)A=π(R2−r2)
Area of circular base × height
Hemisphere is exactly half of sphere volume
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