Vol = 2/3 * pi * r3 where r is the radius
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The radius of the hemisphere is 12 units.
Volume of Hemisphere = 2/3 * Pi * (radius)^3 Volume of Cone = 1/3 * Pi * (radius)^2 * height where Pi = 22/7 (approx)
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It is: 4/3*pi*27*0.5 = 18*pi cubic cm
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