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2 votes
How can you calculate the circumference if you know the circle’s radius? Write a formula please.

User Dario
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2 Answers

3 votes
You can find this by using this formula.
R= C/ (pi×2) or C=2
\pir
User Charmelle
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5.3k points
2 votes
C=2πR
C equals the circumference of the circle, while π is 3.14 and R is the radius. them multiply that by 2

User Frahm
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