the volume of a sphere is 4/3 times pi times the radius of the sphere cubed.
V=4/3 Pie r3
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There is no equation for the "scale factor" of a sphere. If I assume you to mean how the volume increases with radius then you would use the volume equation for a sphere and calculate volume based on corresponding radii. You could then divide the resultant volumes to give a percentage or factor of how much larger or small one sphere is than another. You'll see that a small change in radius causes a large change in volume due to the volume being a cubic factor of the radius.
The equation is: (4/3)Pie r3The worded equation is: Four thirds Pie multiplied by the radius cubed.answer 2 Archimedes might have immersed the sphere in a liquid, and measured the volume that was displaced.
The volume of a sphere = 4/3*pi*radius3
measure the radius of the sphere and apply the appropriate volume equation: V= (4/3) x (pi) x r3
Volume of a sphere = 4/3*pi*radius3 measured in cubic units Surface area of a sphere = 4*pi*radius2 measured in square units