V=(2/3)πr
V= volume
R=Radius
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A hemisphere with a radius of two has a volume of 16.8 units3
Volume of a hemisphere = 2/3*pi*radius3 Volume = 2094.395102 cubic units
A hemisphere with a radius of 3 feet has a volume of 56.55 cubic feet.
The volume is 56.55m3
The volume of a complete sphere is [ 4/3 pi R3 ]. The volume of a hemisphere is 1/2 of that ... pretty close to [ 2/3 pi R3 ].