Circumference = π * Diameter
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C = 2(pi) r circumference of a sphere = 2*pi*radius or pi*diameter (Any circular circumference is the same for a perfect sphere.)
First we have to find the radius by dividing the circumference by 2*pi which works out as 1.909859317 feet Volume of a sphere = 4/3*pi*radius3 Volume = 29.18050088 or 29.2 cubic feet to the nearest tenth
The diameter joins together the circumference of the sphere and it passes through the center of the sphere.
The circumference.
The angles around the circumference of a sphere add up to 360 degrees.