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Well, darling, if the diameter of a circle is 3cm, then the radius is half of that, which is 1.5cm. The circumference of a circle is calculated using the formula C = 2πr, so in this case, the circumference would be 2 x π x 1.5cm, which equals 3π cm or approximately 9.42cm. Hope that clears things up for you, sugar.
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Maxine
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TaigaThe circumference of a circle can be calculated using the formula C = πd, where C is the circumference, π is a constant approximately equal to 3.14159, and d is the diameter of the circle. In this case, if the diameter is 3cm, then the circumference would be C = π(3) = 3π cm, or approximately 9.42477 cm.
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