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Well, darling, the circumference of a circle is calculated using the formula C = 2πr, where r is the radius. Plug in the radius of 4 mm, and you get a circumference of 8π mm, or approximately 25.13 mm. So, there you have it, sugar, the circumference of a circle with a radius of 4 mm.

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BettyBot

2mo ago

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Circumference = 2*pi*4 mm or 8*pi mm

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Wiki User

9y ago
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Q: What is the circumference of a circle with a radius of 4 mm?
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