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03-05-2021
Mathematics

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the exact diameter of a circle with a circumference of 39

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03-05-2021

2 π r = 39

r is the radius and this 2 π r is the formula for the circumference so I made it equal to the circumference given

rearrange:

r = 39/2 π
r = 6.21 ( 2 decimal places)

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