12 feet. The diameter of a circle is twice its radius.
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The radius of a circle is half the diameter, so the radius of a 6 inch diameter circle is 3 in.
6 because the radius is half of the diameter.
The diameter is double the radius of a circle. Therefore the radius is 12/2 or 6 yards.
6 inches. always multiply radius by 2 to get diameter
Radius of circle: 12/2 = 6 units