Volume of a sphere = (4 x pi x r^3)/3
7.5^3 = 421.875
4 x pi x 421.875 = 5301.437603
5301.437603/3 = 1767.145868
1767.145868cm
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The diameter of a regulation beach volleyball is 26 inches. What is the volume?
Volume of the beach ball: 4/3*pi*radius^3
Diameter = Radius*2 = 30 cm.
C = ~47.12 cm
It works out as 2.580762042 or about 2.581 cm