The volume of a sphere with a radius of 1 inch is about 4.2 cubic inches.
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The volume of the 3 inch sphere is 33 times bigger = 27 times bigger. 13 : 33 = 1 : 27
A 2-inch diameter sphere has a volume of 4.189 cubic inchesA 1-inch diameter sphere has a volume of 0.5236 cubic inches.
1 853 cc
(4/3)*pi The formula for the volume of a sphere is (4/3)*pi*radius3
If by circle you mean sphere, then the volume of a sphere is: 4/3 * pi * radius^3. If you already know the volume, then here's what you do: 1. Multiply the volume by 3/4. 2. Divide the volume by pi. 3. Take the cube root of both sides In other words, the formula for radius when volume is known is: ( ( Volume * 3 ) / ( 4 * pi ) ) ^ (1/3)