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21-03-2019
Mathematics

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what is the formula for calculating the circumference, C, of a circle, if you know pi and the radius, r?

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dlatcha02 dlatcha02

21-03-2019

Answer:

C = 2πr.

Step-by-step explanation:

To calculate the circumference of a circle, use the formula C = πd, where "C" is the circumference, "d" is the diameter, and π is 3.14. If you have the radius instead of the diameter, multiply it by 2 to get the diameter. You can also use the formula for circumference of a circle using radius, which is C = 2πr.

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