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Circumference of a circle is denoted as C in geometry. The formula to calculate circumference is:

C=2πr

where:

π = 22/7

r = radius

Note, radius is half of diameter (the line that touches two sides within circle and passes through the center of the circle)

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Glen Jordan

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4y ago

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More answers

C =2×PI×r ,,, PI=3.14

r= the circle radius

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Wiki User

12y ago
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The formula to calculate circle is C=2xπ x r

π, also known as pie = 22/7 = 3.143

I hope, it helps.

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Martina Berger

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4y ago
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Q: What's the formula for circumference of a circle?
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