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circumference is the distance around a circle

diameter is the distance from one point on the circle, straight across to the other side.

radius is distance from the center of the circle to any point on the circle

radius = r

diameter = 2r

circumference = 2(pi)r

pi = 3.1415927

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15y ago

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More answers

Circumference = 2(pi)r where pi = about 3.14 and r is the radius

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16y ago
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Radius is half the circumference

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14y ago
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Q: What is the relationship of the radius to the circumference?
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